CN106871641A - Smelting furnace - Google Patents
Smelting furnace Download PDFInfo
- Publication number
- CN106871641A CN106871641A CN201710165193.XA CN201710165193A CN106871641A CN 106871641 A CN106871641 A CN 106871641A CN 201710165193 A CN201710165193 A CN 201710165193A CN 106871641 A CN106871641 A CN 106871641A
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- China
- Prior art keywords
- accumulation
- heat
- component
- heat component
- spray gun
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/005—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or pulverulent fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2204/00—Burners adapted for simultaneous or alternative combustion having more than one fuel supply
- F23D2204/20—Burners adapted for simultaneous or alternative combustion having more than one fuel supply gaseous and pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/0053—Burner fed with preheated gases
- F27D2099/0055—Fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/0053—Burner fed with preheated gases
- F27D2099/0056—Oxidant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses smelting furnace, including：Flake hearth-tapping is limited in melting furnace body, melting furnace body；Regenerative apparatus, including the first accumulation of heat component and the second accumulation of heat component, the first accumulation of heat component and the second accumulation of heat component include connected heat-accumulation combustion room and burner, and heat-accumulation combustion room is connected with burner hearth by burner；The combustion-supporting gas spray gun of coal dust, including the first spray gun assembly and the second spray gun assembly, first spray gun assembly and the second spray gun assembly are separately positioned on the side wall of melting furnace body, first spray gun assembly is interspersed with the first accumulation of heat component on the side wall of melting furnace body, and the second spray gun assembly is interspersed with the second accumulation of heat component on the side wall of melting furnace body；Fuel gas supply component, respectively the burner with the first accumulation of heat component and the second accumulation of heat component be connected；Air feeding assembly, respectively the heat-accumulation combustion room with the first accumulation of heat component and the second accumulation of heat component be connected；Smoke evacuation tube assembly, respectively with the heat-accumulation combustion room conducting of the first accumulation of heat component and the second accumulation of heat component.
Description
Technical field
The invention belongs to chemical technology field, specifically, the present invention relates to a kind of smelting furnace.
Background technology
Combustion gas smelting furnace is with its SO2、NOxDischarge capacity is low, sanitation and hygiene, easy to operate, it is easy to Automated condtrol and it is extensive
It is the smelting equipment generally built and use using metallurgical and casting processing industry.
The problem that combustion gas smelting furnace is present is that the kind equipment commonly uses natural gas, for lacking natural gas area, is then made
With coke-stove gas or producing synthesis gas from coal.But there is coal thermal loss and equipment investment, therefore either day in coal conversion synthesis gas
All there is price high energy consumption, high energy consumption, price direct increase production cost high in right gas or producing synthesis gas from coal so that enterprise
Industry lacks competition of market economy power.The negative effect that causes also increases therewith simultaneously, environmental pollution and hot cell effect, or even reduces
Product quality and production efficiency, obstacle is brought to enterprise and socio-economic development, then how not only to have promoted economic development but also be protect
Green environment production is held, is the contradiction of restricting current the sector and social development.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, of the invention
One purpose is to propose a kind of smelting furnace, can significantly reduce melting cost using the smelting furnace, and can improve burner hearth
Even heat, reduces energy loss 25%, reduces smelting time, shortens melting cycle 5-13min, improves productivity ratio 8%, symbol
Close the demand of energy-saving and emission-reduction volume increase.
In one aspect of the invention, the present invention proposes a kind of smelting furnace.Embodiments in accordance with the present invention, the melting
Stove includes：
Flake hearth-tapping is limited in melting furnace body, the melting furnace body；
Regenerative apparatus, the regenerative apparatus includes the first accumulation of heat component and the second accumulation of heat component, the first accumulation of heat component
Include the heat-accumulation combustion room and the burner that are sequentially connected with the second accumulation of heat component, the heat-accumulation combustion room is logical with the burner hearth
Cross the burner connection；
Coal dust-combustion-supporting gas spray gun, the coal dust-combustion-supporting gas spray gun includes the first spray gun assembly and the second spray gun assembly, institute
State the first spray gun assembly and second spray gun assembly is separately positioned on the side wall of the melting furnace body, and described first
Spray gun assembly is interspersed with the first accumulation of heat component on the side wall of the melting furnace body, second spray gun assembly with
The second accumulation of heat component is interspersed on the side wall of the melting furnace body；
Fuel gas supply component, the fuel gas supply component respectively with the first accumulation of heat component and the second accumulation of heat component
Burner be connected, and the fuel gas supply component is alternately provided to the first accumulation of heat component and the second accumulation of heat component
Combustion gas；
Air feeding assembly, the air feeding assembly respectively with the first accumulation of heat component and the second accumulation of heat component
Heat-accumulation combustion room be connected, and the air feeding assembly is alternately to the first accumulation of heat component and the second accumulation of heat group
Part provides air；
Smoke evacuation tube assembly, the smoke evacuation tube assembly respectively with the first accumulation of heat component and the storage of the second accumulation of heat component
Hot chamber is turned on；
Charging aperture, the charging aperture is arranged on the melting furnace body；
Discharging opening, the discharging is arranged on the melting furnace body；
Wherein, the fuel gas supply component is to one of them in the first accumulation of heat component and the second accumulation of heat component
When providing the combustion gas, the air feeding assembly is to wherein in the first accumulation of heat component and the second accumulation of heat component
The individual air, and the flue gas for generating of providing is from another company in the first accumulation of heat component and the second accumulation of heat component
Logical part discharge.
Smelting furnace according to embodiments of the present invention is led to by arranging coal dust-combustion-supporting gas spray gun on the wall of melting furnace body side
Coal dust-combustion-supporting gas spray gun is crossed to coal injection in burner hearth, coal dust firing heat supply heating furnace charge substitutes that part is expensive or region
Property lack natural gas or producing synthesis gas from coal, such that it is able to reduce melting cost, and by by coal dust-combustion-supporting gas spray gun and accumulation of heat
Device is staggered, and can prevent that coal dust firing heat release is radiated fuel gas buring heat release from the region that directly reaches, so that can
To improve burner hearth even heat, energy loss 25% is reduced, reduce smelting time, shorten melting cycle 5-13min, improve life
Yield 8%, meets the demand of energy-saving and emission-reduction volume increase.
In addition, smelting furnace according to the above embodiment of the present invention can also have following additional technical characteristic：
In some embodiments of the invention, the first accumulation of heat component and the second accumulation of heat component are arranged in institute
State on the relative side wall of melting furnace body.
In some embodiments of the invention, the first accumulation of heat component and first spray gun assembly are in the smelting furnace
Interlaced arrangement on the same side wall of body, the second accumulation of heat component and second spray gun assembly are in the melting furnace body
Interlaced arrangement on the wall of the same side.Thus, it is possible to significantly improve even heat in burner hearth.
In some embodiments of the invention, including multiple regenerative apparatuses, the multiple regenerative apparatus is independently
Be arranged on the side wall of the melting furnace body.Thus, it is possible to significantly reduce melting cost.
In some embodiments of the invention, including multiple coal dusts-combustion-supporting gas spray gun.Thus, it is possible to further improve stove
Even heat in thorax.
In some embodiments of the invention, first spray gun assembly and second spray gun assembly are obliquely and adjustable
Be arranged on the side wall of the melting furnace body.Thus, it is possible to further improve even heat in burner hearth.
In some embodiments of the invention, the fuel gas supply component includes：Gas header pipe；First combustion gas branch pipe and
Two combustion gas branch pipes, the first combustion gas branch pipe is connected with the burner on the gas header pipe and the first accumulation of heat component respectively,
The second combustion gas branch pipe is connected with the burner on the gas header pipe and the second combustion gas component respectively；Control valve, institute
State control valve and be connected to the gas header pipe, the first combustion gas branch pipe and the second combustion gas branch pipe to control the combustion gas total
One of conducting in pipe and the first combustion gas branch pipe and the second combustion gas branch pipe.
In some embodiments of the invention, the air feeding assembly includes air header, the first branch pipe, the second branch pipe
And four-way reversing valve, the four-way reversing valve is with first to fourth mouthful, and the first is connected with the air header, described
First branch pipe is connected with the first accumulation of heat component and described second mouthful respectively, described 3rd mouthful with it is described smoke evacuation tube assembly phase
Even, second branch pipe is connected with the second accumulation of heat component and described 4th mouthful.
In some embodiments of the invention, the smelting furnace is further included：Exhanst gas outlet, the exhanst gas outlet arrangement
On the roof of the melting furnace body.Thus, it is possible to further reduce melting cost.
In some embodiments of the invention, the exhanst gas outlet is connected with the coal dust-combustion-supporting gas spray gun.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of smelting furnace according to an embodiment of the invention；
Fig. 2 is the side structure schematic view of the smelting furnace according to further embodiment of the present invention；
Fig. 3 is the part-structure schematic diagram of the smelting furnace according to another embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In one aspect of the invention, the present invention proposes a kind of smelting furnace.Embodiments in accordance with the present invention, with reference to Fig. 1
With 2, smelting furnace includes melting furnace body 100, regenerative apparatus 200, coal dust-combustion-supporting gas spray gun 300, fuel gas supply component 400, empty
Gas feeding assembly 500, smoke evacuation tube assembly 600, charging aperture 101 and discharging opening 102.
According to one embodiment of present invention, flake hearth-tapping 10 is limited in melting furnace body 100, and the bottom of burner hearth 10 is stove
Molten bath 11 of the material by thermosetting.For example, smelting furnace is square smelting furnace.
According to still a further embodiment, regenerative apparatus 200 includes the first accumulation of heat component 21 and the second accumulation of heat component
22, the first accumulation of heat component 21 and the second accumulation of heat component 22 include the heat-accumulation combustion room 23 and the burner 24 that are sequentially connected, and store
Hot chamber 23 is connected with burner hearth 10 by burner 24.Specifically, accumulation of heat component is arranged on melting furnace body above molten bath
On the wall of side, in heat storage, and the first accumulation of heat component and the second accumulation of heat component is disposed with heat-accumulation combustion room in combustion
When combusting gas Heating State, another is then in smoke evacuation state, and certain interval of time the latter two states alternating.Need explanation
, the particular type that those skilled in the art can be according to actual needs to heat storage selects, for example, can use honeybee
Nest heat storage.
A specific embodiment of the invention, the first accumulation of heat component 21 and the second accumulation of heat component 22 can be respectively arranged
On the relative side wall of melting furnace body 100, preferably it is arranged symmetrically on the relative side wall of melting furnace body.
Another specific embodiment of the invention, regenerative apparatus 200 can be multiple, and multiple regenerative apparatus
200 are separately arranged on the side wall of melting furnace body 100.For example, multiple regenerative apparatuses can be evenly arranged in melting
Furnace body is all around on four side walls, it is also possible to be arranged in front-rear side walls or left and right sidewall, concrete arrangement this area
Technical staff can be selected according to actual needs.
According to still another embodiment of the invention, coal dust-combustion-supporting gas spray gun 300 includes the first spray gun assembly 31 and the second spray
Rifle component 32, the first spray gun assembly 31 and the second spray gun assembly 32 are separately positioned on the side wall of melting furnace body 100, and the
One spray gun assembly 31 is interspersed with the first accumulation of heat component 21 on the side wall of melting furnace body 100, the second spray gun assembly 32 with
Second accumulation of heat component 22 is interspersed on the side wall of melting furnace body 100, and is suitable to supply coal dust and combustion-supporting gas in burner hearth.
Specifically, combustion-supporting gas can be oxygen, oxygen-enriched air or air etc..Inventor has found, by the cloth on the wall of melting furnace body side
Coal dust-combustion-supporting gas spray gun is put, by coal dust-combustion-supporting gas spray gun to coal injection in burner hearth, coal dust firing heat supply heating furnace charge is replaced
For part is expensive or regional shortage natural gas or producing synthesis gas from coal, such that it is able to reduce melting cost, and by will
Coal dust-combustion-supporting gas spray gun is staggered with regenerative apparatus, can prevent coal dust firing heat release be radiated fuel gas buring heat release from
The region for directly reaching, such that it is able to improve burner hearth even heat, reduces energy loss 25%, reduces smelting time, shortens
Melting cycle 5-13min, improves productivity ratio 8%, meets the demand of energy-saving and emission-reduction volume increase.
A specific embodiment of the invention, the first accumulation of heat component 21 and the first spray gun assembly 31 are in melting furnace body
Interlaced arrangement on 100 the same side wall, the second accumulation of heat component 22 and the second spray gun assembly 32 are in the same side of melting furnace body 100
Interlaced arrangement on wall.Inventor has found that this kind of arrangement can cause that coal dust firing heat release is radiated fuel gas buring heat release not
The region that can directly reach, so as to significantly improve burner hearth even heat.
Another specific embodiment of the invention, the first spray gun assembly 31 and the second spray gun assembly 32 are obliquely and can
That adjusts is arranged on the side wall of melting furnace body 100.Thus, it is possible to so that coal dust firing heat release is radiated fuel gas buring heat release not
The region that can directly reach, such that it is able to improve burner hearth even heat.
Another specific embodiment of the invention, coal dust-combustion-supporting gas spray gun 300 includes pulverized coal gun, combustion-supporting gas blowout
Rifle and water cooling tube, from coal dust feed bin through pulverized coal gun, combustion-supporting gas is supplied to stove coal dust from combustion-supporting gas warehouse through combustion-supporting gas spray gun
Combustion heat supplying substitutes portion of natural gas or producing synthesis gas from coal in thorax.It should be noted that those skilled in the art can be according to reality
Border needs the length goed deep into burner hearth to pulverized coal gun and combustion-supporting gas spray gun and the injection flow of coal dust and combustion-supporting gas to select
Select.
Another specific embodiment of the invention, can include multiple coal dust-combustion-supporting gas spray guns.Specifically, coal dust-
Combustion-supporting gas spray gun is identical with the quantity of regenerative apparatus, i.e., one the first accumulation of heat component one the first spray gun assembly of correspondence.Need
Bright, the quantity that those skilled in the art can be according to actual needs to regenerative apparatus and coal dust-combustion-supporting gas spray gun is selected
Select.
According to still another embodiment of the invention, fuel gas supply component 400 stores with the first accumulation of heat component 21 and second respectively
The burner 24 of hot component 22 is connected, and fuel gas supply component 400 is alternately to the first accumulation of heat component 21 and the second accumulation of heat component
22 provide combustion gas.Specifically, when the burning of the first accumulation of heat component is for burner hearth heat supply, the second accumulation of heat component is in smoke evacuation state, combustion
Gas feeding assembly supplies combustion gas to the burner of the first accumulation of heat component, and when the burning of the second accumulation of heat component is for burner hearth heat supply, first
Accumulation of heat component is in smoke evacuation state, and fuel gas supply component supplies combustion gas to the burner of the second accumulation of heat component.
A specific embodiment of the invention, fuel gas supply component 400 includes：Gas header pipe 40, the first combustion gas branch
Pipe 41, the second combustion gas branch pipe 42 and control valve 43.Specifically, the first combustion gas branch pipe 41 respectively with the accumulation of heat of gas header pipe 40 and first
Burner 24 on component 21 is connected, the second combustion gas branch pipe 42 respectively with the combustion gas component 22 of gas header pipe 40 and second on burner 24
It is connected；Control valve 43 is connected to gas header pipe 40, the first combustion gas branch pipe 41 and the second combustion gas branch pipe 42 to control gas header pipe
40 and the first one of conducting in combustion gas branch pipe 41 and the second combustion gas branch pipe 42.For example, when the first accumulation of heat component is in combustion
When burning Heating State, in the presence of valve is controlled so that the conducting of gas header pipe and the first combustion gas branch pipe, i.e. fuel gas supply component to
The burner supply combustion gas of the first accumulation of heat component；And when the first accumulation of heat component is in smoke evacuation state, control Vavle switching causes combustion gas
House steward and the second combustion gas branch pipe conduit, fuel gas supply component supply combustion gas, control valve therein to the burner of the second accumulation of heat component
It can be reversal valve.
According to still another embodiment of the invention, air feeding assembly 500 stores with the first accumulation of heat component 21 and second respectively
The heat-accumulation combustion room 23 of hot component 22 is connected, and air feeding assembly 500 alternately stores to the first accumulation of heat component 21 and second
Hot component 22 provides air.Specifically, when the burning of the first accumulation of heat component is for burner hearth heat supply, the second accumulation of heat component is in smoke evacuation shape
State, air feeding assembly supplies air to the heat-accumulation combustion room of the first accumulation of heat component, and when the burning of the second accumulation of heat component is burner hearth
During heat supply, the first accumulation of heat component is in smoke evacuation state, and air feeding assembly supplies empty to the heat-accumulation combustion room of the second accumulation of heat component
Gas.
According to still another embodiment of the invention, smoke evacuation tube assembly 600 respectively with the first accumulation of heat component 21 and the second accumulation of heat
The heat-accumulation combustion room 23 of component 22 turns on.Specifically, when the burning of the first accumulation of heat component is for burner hearth heat supply, at the second accumulation of heat component
In smoke evacuation state, smoke evacuation tube assembly is discharged fume with the heat-accumulation combustion room conducting of the second accumulation of heat component, and when the second accumulation of heat component
Burn during for burner hearth heat supply, the first accumulation of heat component is in the heat-accumulation combustion of smoke evacuation state, smoke evacuation tube assembly and the first accumulation of heat component
Room conducting is discharged fume.
A specific embodiment of the invention, air feeding assembly 500 include air header 51, the first branch pipe 52,
Second branch pipe 53 and four-way reversing valve 54, four-way reversing valve 54 have 501, second mouthful 502, the 3rd mouthful 503 and the 4th of first
Mouthfuls 504, first 501 is connected with air header 51, the first branch pipe 52 respectively with the first accumulation of heat component 21 and second mouthful of 502 phase
Even, the 3rd mouthful 503 is connected with smoke evacuation tube assembly 600, and the second branch pipe 53 is connected with the second accumulation of heat component 22 and the 4th mouthful 504.Tool
Body, when the first accumulation of heat component is in combustion heat supplying state, and the second accumulation of heat component is in smoke evacuation state, first and second mouthful
Conducting, the 3rd mouthful supplies air with the 4th mouthful of conducting, now air header to the first accumulation of heat component, and through the suction of the second accumulation of heat component
Receive during the flue gas after waste heat drains into flue gas tube assembly through the second branch pipe；And when the first accumulation of heat component is in smoke evacuation state, second stores
Hot component be in combustion heat supplying state when, first with the 4th mouthful conducting, second mouthful with the 3rd mouthful turn on, now air header to
Second accumulation of heat component supplies air, and the flue gas after absorbing waste heat through the first accumulation of heat component drains into flue gas tube assembly through the first branch pipe
In.
According to still another embodiment of the invention, charging aperture 101 is arranged on melting furnace body 100, and is suitable to burner hearth
The pending furnace charge of middle supply.Specifically, charging aperture can be arranged on the roof of melting furnace body.
According to still another embodiment of the invention, discharging opening 102 is arranged on melting furnace body 100, and is suitable to burner hearth
Material discharge burner hearth after the treatment of middle generation.Specifically, discharging opening can be arranged in the melting furnace body at the place of molten bath
On the wall of side.
Embodiments in accordance with the present invention, fuel gas supply component 400 is to the first accumulation of heat component 21 and second accumulation of heat
During one of offer in component 22 combustion gas, the air feeding assembly 500 is to the first accumulation of heat component 21 and institute
One of offer air in second accumulation of heat component 22 is provided, and the flue gas for generating is from the He of the first accumulation of heat component 21
The part discharge of another connection in the second accumulation of heat component 22.Specifically, when the first accumulation of heat component is in combustion heat supplying
State, when the second accumulation of heat component is in smoke evacuation state, fuel gas supply component supplies combustion gas to the first accumulation of heat component, while air is supplied
Air is supplied to the first accumulation of heat component to component, and the flue gas after absorbing waste heat through the second accumulation of heat component is arranged through tube assembly of discharging fume
Go out；Otherwise when the second accumulation of heat component is in combustion heat supplying state, and the first accumulation of heat component is in smoke evacuation state, fuel gas supply component
Combustion gas is supplied to the second accumulation of heat component, while air feeding assembly supplies air to the second accumulation of heat component, and through the first accumulation of heat group
Part absorbs the flue gas after waste heat and is discharged through tube assembly of discharging fume.
Smelting furnace according to embodiments of the present invention is led to by arranging coal dust-combustion-supporting gas spray gun on the wall of melting furnace body side
Coal dust-combustion-supporting gas spray gun is crossed to coal injection in burner hearth, coal dust firing heat supply heating furnace charge substitutes that part is expensive or region
Property lack natural gas or producing synthesis gas from coal, such that it is able to reduce melting cost, and by by coal dust-combustion-supporting gas spray gun and accumulation of heat
Device is staggered, and can prevent that coal dust firing heat release is radiated fuel gas buring heat release from the region that directly reaches, so that can
To improve burner hearth even heat, energy loss 25% is reduced, reduce smelting time, shorten melting cycle 5-13min, improve life
Yield 8%, meets the demand of energy-saving and emission-reduction volume increase.
Embodiments in accordance with the present invention, with reference to Fig. 3, smelting furnace is further included：Exhanst gas outlet 103.
According to one embodiment of present invention, exhanst gas outlet 103 is arranged on the roof of melting furnace body 100, and point
It is not connected with the combustion-supporting gas channel on the coal dust channel on coal dust feed bin 700 and combustion-supporting gas warehouse 800, and is suitable for use with burner hearth
The high-temperature flue gas of generation supply to coal dust channel and combustion-supporting gas channel and coal dust therein and combustion-supporting gas are preheated, such that it is able to
Significantly reduce melting cost.
Below with reference to specific embodiment, present invention is described, it is necessary to explanation, these embodiments are only description
Property, and the present invention is limited never in any form.
Embodiment
As Figure 1-3, coal dust-combustion-supporting gas spray gun, the first storage of smelting furnace regenerative apparatus are arranged on melting furnace body
The burner of hot component is staggered up and down with coal dust-the first spray gun assembly of combustion-supporting gas spray gun position, and the of smelting furnace regenerative apparatus
The burner of two accumulation of heat components is staggered up and down with coal dust-the second spray gun assembly of combustion-supporting gas spray gun position, and the first spray gun group
Part and the second spray gun assembly make an angle alpha=80 ° with the side wall of melting furnace body respectively, and spray gun is in 90 ° of-α=10 ° angles with level
Arrangement, spray gun is blown flame obliquely, burner direction combustion flame parallel water plane.When the first accumulation of heat component is in combustion heat supplying
State, when the second accumulation of heat component is in smoke evacuation state, fuel gas supply component supplies combustion gas to the first accumulation of heat component, while air is supplied
Air is supplied to the first accumulation of heat component to component, and by the first spray gun assembly and the second spray gun assembly to injection coal in burner hearth
Powder and combustion-supporting gas so that combustion gas and coal dust co-fire heat furnace charge to burner hearth heat supply, and the flue gas for producing is through the second accumulation of heat group
Being discharged through tube assembly of discharging fume after part absorption waste heat；After the completion of the second accumulation of heat component accumulation of heat, the first accumulation of heat component and second stores
Hot component operation state switching, i.e. the second accumulation of heat component is in combustion heat supplying state, and the first accumulation of heat component is in smoke evacuation state, combustion
Gas feeding assembly supplies combustion gas to the second accumulation of heat component, while air feeding assembly supplies air to the second accumulation of heat component, and passes through
First accumulation of heat component absorbs the flue gas after waste heat and is discharged through tube assembly of discharging fume, in addition can be by the exhanst gas outlet of furnace roof by burner hearth
The high-temperature flue gas of middle generation supply to coal dust channel and combustion-supporting gas channel and coal dust therein and combustion-supporting gas are preheated.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of smelting furnace, it is characterised in that including：
Flake hearth-tapping is limited in melting furnace body, the melting furnace body；
Regenerative apparatus, the regenerative apparatus includes the first accumulation of heat component and the second accumulation of heat component, the first accumulation of heat component and institute
Stating the second accumulation of heat component includes the heat-accumulation combustion room and the burner that are sequentially connected, and the heat-accumulation combustion room passes through institute with the burner hearth
State burner connection；
Coal dust-combustion-supporting gas spray gun, the coal dust-combustion-supporting gas spray gun includes the first spray gun assembly and the second spray gun assembly, described the
One spray gun assembly and second spray gun assembly are separately positioned on the side wall of the melting furnace body, and first spray gun
Component is interspersed with the first accumulation of heat component on the side wall of the melting furnace body, second spray gun assembly with it is described
Second accumulation of heat component is interspersed on the side wall of the melting furnace body；
Fuel gas supply component, the fuel gas supply component respectively with the first accumulation of heat component and the burning of the second accumulation of heat component
Mouth is connected, and the fuel gas supply component alternately provides combustion to the first accumulation of heat component and the second accumulation of heat component
Gas；
Air feeding assembly, the air feeding assembly respectively with the first accumulation of heat component and the storage of the second accumulation of heat component
Hot chamber is connected, and the air feeding assembly is alternately carried to the first accumulation of heat component and the second accumulation of heat component
For air；
Smoke evacuation tube assembly, the smoke evacuation tube assembly is fired with the accumulation of heat of the first accumulation of heat component and the second accumulation of heat component respectively
Burn room conducting；
Charging aperture, the charging aperture is arranged on the melting furnace body；
Discharging opening, the discharging opening is arranged on the melting furnace body；
Wherein, the fuel gas supply component is to the one of offer in the first accumulation of heat component and the second accumulation of heat component
During the combustion gas, the air feeding assembly is carried to one of them in the first accumulation of heat component and the second accumulation of heat component
For the air, and the flue gas for generating another from the first accumulation of heat component in the second accumulation of heat component is connected
Discharge part.
2. smelting furnace according to claim 1, it is characterised in that the first accumulation of heat component and the second accumulation of heat component
It is arranged on the relative side wall of the melting furnace body.
3. smelting furnace according to claim 1 and 2, it is characterised in that the first accumulation of heat component and first spray gun
Component interlaced arrangement on the same side wall of the melting furnace body, the second accumulation of heat component and second spray gun assembly exist
Interlaced arrangement on the same side wall of the melting furnace body.
4. smelting furnace according to claim 3, it is characterised in that including multiple regenerative apparatuses, the multiple accumulation of heat
Device is separately arranged on the side wall of the melting furnace body.
5. smelting furnace according to claim 4, it is characterised in that including multiple coal dusts-combustion-supporting gas spray gun.
6. smelting furnace according to claim 1, it is characterised in that first spray gun assembly and second spray gun assembly
Obliquely and adjustable it is arranged on the side wall of the melting furnace body.
7. smelting furnace according to claim 1, it is characterised in that the fuel gas supply component includes：
Gas header pipe；
First combustion gas branch pipe and the second combustion gas branch pipe, the first combustion gas branch pipe store with the gas header pipe and described first respectively
On hot component burner connection, the second combustion gas branch pipe respectively with the gas header pipe and the second combustion gas component on burning
Mouth is connected；
Control valve, the control valve be connected to the gas header pipe, the first combustion gas branch pipe and the second combustion gas branch pipe with
Control the one of conducting in the gas header pipe and the first combustion gas branch pipe and the second combustion gas branch pipe.
8. smelting furnace according to claim 1, it is characterised in that the air feeding assembly includes air header, first
Branch pipe, the second branch pipe and four-way reversing valve, the four-way reversing valve have first to fourth mouthful, the first and the air
House steward be connected, first branch pipe is connected with the first accumulation of heat component and described second mouthful respectively, described 3rd mouthful with it is described
Smoke evacuation tube assembly is connected, and second branch pipe is connected with the second accumulation of heat component and described 4th mouthful.
9. smelting furnace according to claim 1, it is characterised in that further include：Exhanst gas outlet, the exhanst gas outlet cloth
Put on the roof of the melting furnace body.
10. smelting furnace according to claim 9, it is characterised in that the exhanst gas outlet and the coal dust-combustion-supporting gas spray gun
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165193.XA CN106871641A (en) | 2017-03-20 | 2017-03-20 | Smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165193.XA CN106871641A (en) | 2017-03-20 | 2017-03-20 | Smelting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN106871641A true CN106871641A (en) | 2017-06-20 |
Family
ID=59173303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710165193.XA Pending CN106871641A (en) | 2017-03-20 | 2017-03-20 | Smelting furnace |
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|---|---|
| CN (1) | CN106871641A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120280A (en) * | 2017-12-21 | 2018-06-05 | 东北大学 | A kind of heat storage type combustion V2O5Melting furnace |
| CN108253788A (en) * | 2018-03-13 | 2018-07-06 | 中国恩菲工程技术有限公司 | Metallurgical furnace |
| CN108800926A (en) * | 2018-08-03 | 2018-11-13 | 忻州立泊装备制造有限公司 | Regenerative gas fire coal scrap melting stove |
| TWI783280B (en) * | 2019-10-25 | 2022-11-11 | 美商氣體產品及化學品股份公司 | System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace |
-
2017
- 2017-03-20 CN CN201710165193.XA patent/CN106871641A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120280A (en) * | 2017-12-21 | 2018-06-05 | 东北大学 | A kind of heat storage type combustion V2O5Melting furnace |
| CN108253788A (en) * | 2018-03-13 | 2018-07-06 | 中国恩菲工程技术有限公司 | Metallurgical furnace |
| CN108253788B (en) * | 2018-03-13 | 2024-01-05 | 中国恩菲工程技术有限公司 | Metallurgical furnace |
| CN108800926A (en) * | 2018-08-03 | 2018-11-13 | 忻州立泊装备制造有限公司 | Regenerative gas fire coal scrap melting stove |
| TWI783280B (en) * | 2019-10-25 | 2022-11-11 | 美商氣體產品及化學品股份公司 | System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace |
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