CN106679416A - Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace - Google Patents
Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace Download PDFInfo
- Publication number
- CN106679416A CN106679416A CN201610697180.2A CN201610697180A CN106679416A CN 106679416 A CN106679416 A CN 106679416A CN 201610697180 A CN201610697180 A CN 201610697180A CN 106679416 A CN106679416 A CN 106679416A
- Authority
- CN
- China
- Prior art keywords
- crucible
- combustion
- speed
- combustion chamber
- melting furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- F27B14/10—Crucibles
-
- 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
- F27B14/143—Heating of the crucible by convection of combustion gases
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- F27B14/10—Crucibles
- F27B2014/104—Crucible linings
Abstract
The invention discloses a commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace. The commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace comprises a shell, an upper cover, a crucible, a base and a high-speed-rotation flame combustion head. The high-speed-rotation flame combustion head is fixed to the base. The crucible is arranged in the outer shell on the high-speed-rotation flame combustion head. The upper cover covers the crucible. The high-speed-rotation flame combustion head is provided with a combustion chamber. The high-speed-rotation flame combustion head is provided with an input flame channel and a plurality of rotary flame spray nozzles. The input flame channel and the rotary flame spray nozzles communicate with the combustion chamber. The commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace is reasonable in overall design, good in heat preservation effect and high in heating efficiency, the service life of the crucible is long, the waste heat of smoke can be fully utilized, the combustion heat efficiency reaches up to 78.2%-86% in actual use, and the combustion heat efficiency is quite high.
Description
Technical field
The invention belongs to aluminium melting furnace technical field, is related to a kind of commercial efficient high-speed burning infrared ray die casting crucible aluminum melting
Stove.
Background technology
Aluminium melting furnace is main energy consumption equipment, and because China is backward in technique, most enterprise is still using the production work that tradition is backward
Skill, typically in 107kg mark coal/t aluminium or so, foreign countries are generally below 78.65kg mark coal/t aluminium to energy consumption.Actually dissolve 1t aluminium ingots
(850 °C) institute calorific requirement is 327.2kw.h/t (28.1 ten thousand kilocalories/t=40.2kg mark coal/t), the combustion heat of aluminium melting furnace in the country
Efficiency only has 37.6% or so, and foreign countries are more than 51%.It is 54.5%~81.8% that the country concentrates melting furnace higher.Therefore,
The energy-saving potential and technical research of domestic aluminium melting furnace also has much room.
Up to more than 1000 degree, the aluminium melting furnace of early stage is to reduce the heat loss that flue gas is taken away to the flue-gas temperature of domestic aluminium melting furnace,
Heat reclaim unit, warm-up combustion-supporting air are installed on smoke discharging pipe, but discharge flue-gas temperature and remain above 500 degree.It is high for many years
Warm fume afterheat not no good solution all the time, causes energy waste very big.
Die casting crucible aluminium melting furnace and die casting machine are one-to-one configurations, and because usual workshop is narrow, aluminium melting furnace sets mostly
It is the simple structure of meter, small and exquisite, using ordinary combustion machine.Therefore, generally existing burning heat transfer type is unreasonable, efficiency of combustion
Lowly, the problem that insulation construction is simple, heat loss is serious.Energy consumption is typically more than 75kg diesel oil/t aluminium, and combustion thermal efficiency is not enough
36%.
The content of the invention
The infrared ray die casting it is an object of the invention to provide a kind of commercial efficient high-speed rational in infrastructure, high combustion efficiency burns
Crucible aluminium melting furnace.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of commercial efficient high-speed burning is infrared
Line die casting crucible aluminium melting furnace, including shell, upper lid, crucible, at a high speed base, the fiery combustion head of rotation, the high speed rotation fire burning
Head is fixed on the base, and the crucible is arranged at the inside the shell on the fiery combustion head of the high speed rotation, the upper lid lid
Crucible is stated in residence, and the high speed rotation fire combustion head is provided with combustion chamber, and the high speed rotation fire combustion head is provided with input quirk
With several rotation spray nozzles, the input quirk and rotation spray nozzles are connected respectively with the combustion chamber.
Further, the circular in cross-section of the combustion chamber, the center line and horizontal plane of the combustion chamber are described
The circumferencial direction on fiery combustion head along the combustion chamber is rotated at a high speed is provided with six to eight rotation spray nozzles.
Further, the circular in cross-section of the input quirk, its a diameter of 120mm, vertical angle is 7 ° to 15 °.
Further, the burning interior is provided with rising ramp on the fiery combustion head of the high speed rotation.
Further, place is sequentially provided with castable refractory, light fire brick, ceramics fibre between the housing and the crucible
Dimension felt, flue before being formed between the crucible and castable refractory, the inside the shell is additionally provided with rear pass, and the shell is provided with
Rotatable chimney, one end and the combustion chamber of the front flue are connected, and the other end is connected with one end of the rear pass, institute
The other end for stating rear pass is connected with the chimney.
Further, the one side on the castable refractory near the crucible scribbles infra-red paint.
Further, the inside the shell is additionally provided with aluminising water collection groove.
Beneficial effect of the present invention：The commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present invention, its entirety sets
Meter is reasonable, high insulating effect, and its high speed swirl flame that at a high speed the fiery combustion head of rotation sprays is in " parcel " formula " washing away " during work
Crucible bottom carries out efficient convection heat transfer' heat-transfer by convection, realizes quick to crucible, uniform heating, the flue gas produced during heating enter front flue after
Continuous uniform " parcel " crucible outer surface rotation rises, and continuation carries out reheating to crucible, and in liner castable refractory
Wall applies infra-red paint, is greatly improved infrared radiation energy, and the flue gas discharged from chimney is further continued for heating cold aluminium ingot, fully
Using waste heat.Therefore the commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present invention, its efficiency of heating surface is high, abundant profit
With fume afterheat, actually used middle combustion thermal efficiency is up to 78.2~86%, and combustion thermal efficiency is very high.
Description of the drawings
Fig. 1 is the structural representation of the commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the embodiment of the present invention.
Fig. 2 is the top view for rotating fiery combustion head at a high speed.
Description of reference numerals：
Upper lid 1, shell 2, crucible 3, triangle support plate 4, adpting flange 5, at a high speed base 6, the fiery combustion head 7 of rotation, aluminising water
Collection groove 8, light fire brick 9, castable refractory 10, ceramic fiber blanket 11, front flue 12, rear pass 13, chimney 14；
Combustion chamber 71, input quirk 72, rotation spray nozzles 73.
Specific embodiment
Below in conjunction with the accompanying drawing of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
As shown in figure 1, a kind of commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present embodiment, it includes outer
Shell 2, upper lid 1, crucible 3, at a high speed base 6, the fiery combustion head 7 of rotation.Base 6 is welded using channel-section steel, installs very convenient.Shell
2 are fixed on base 6 by triangle support plate 4.Fiery combustion head 7 is rotated at a high speed to be fixed on base 6, and fiery combustion head 7 is rotated at a high speed
It is machined with the combustion chamber 71 of circular in cross-section, the center line and horizontal plane of combustion chamber 71, combustion chamber 71 and is machined with
Rise ramp.With reference to Fig. 2, rotate eight rotation spray nozzles are machined with along the circumferencial direction of combustion chamber 71 on fiery combustion head 7 at a high speed
73, rotation spray nozzles 73 are connected with combustion chamber 71.Rotate at a high speed and be also machined with the input connected with combustion chamber 71 on fiery combustion head 7
Quirk 72, is input into the circular in cross-section of quirk 72, a diameter of 120mm, and vertical angle is 7 ° to 15 °, is input into one end of quirk 72
Adpting flange 5 is fixed with, the crater of combustor is connected with the adpting flange 5, is input into combustion chamber 71 by being input into quirk 72
Flare.Crucible 3 is designed as graphite crucible, and crucible 3 is seated in and rotate at a high speed on fiery combustion head 7 in shell 2, and upper lid 1 covers crucible
3.Place is sequentially provided with castable refractory 10, light fire brick 9, ceramic fiber blanket 11, castable refractory between housing and crucible 3
10th, light fire brick 9, ceramic fiber blanket 11 form heat-insulation layer, and the wherein thickness of ceramic fiber blanket 11 is more than 20mm, due to being provided with
Heat-insulation layer so that body of heater surface temperature is less than 50 DEG C.It is before 30~50mm that width is formed between crucible 3 and castable refractory 10
Flue 12, rear pass 13 is machined with shell 2 on castable refractory 10 and light fire brick 9, and the top of shell 2 is provided with and can revolve
The chimney 14 for turning, lower end and the combustion chamber 71 of front flue 12 are connected, and the upper end of front flue 12 is connected with the lower end of rear pass 13, after
The upper end of flue 13 is connected with chimney 14.Because chimney 14 is rotatable, chimney 14 is rotated, made in the outlet alignment crucible 3 of chimney 14
Cold aluminium ingot, so as to 500 degree or so of fume afterheat is sprayed onto on the cold aluminium ingot of new addition, further improve total convection heat transfer' heat-transfer by convection
Heat.Decision design, 10 scribble infra-red paint near the one side of crucible 3 on castable refractory, are greatly improved infrared ray spoke
Penetrate energy.Rotate at a high speed in decision design, shell 2 between fiery combustion head 7 and castable refractory 10 and form aluminising water collection groove 8, its
For collecting the aluminium water for oozing out.
The operation principle of the commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present invention：Short burnout head or
The flame Jing input quirks 5 of combustor tangentially inject the combustion chamber 71 for rotating fiery combustion head 7 at a high speed, and rotation at a high speed is formed and fired at a high speed
Burn, the furnace temperature of combustion chamber 71 quickly rises to more than 1300 degree, and rapidly " washing away " bottom of crucible 3 carries out efficient convection heat transfer' heat-transfer by convection, together
When hot combustion chamber 71 to the bottom infrared radiation of crucible 3, the eight rotation spray nozzles of the swirl flame of hyperpyrexia from burner hearth
73 rapidly rotation ejections, remain that rapidly the bottom of swirl flame " parcel " crucible 3 is heated, and the flue gas produced during heating enters
Enter front flue 12 and continue the uniformly outer surface of " parcel " crucible 3 rotation rising, finally go out from rear pass 13.
The advantage of the commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present invention is as follows：
1. using low table, the big volume black-fead crucible for being adapted to 350~400T aluminium casting machine manipulators, overall channel-section steel bracket knot
Structure, it is easy to install；
2. furnace lining structure and furnace building material are optimized.Heat-insulation layer is adopted：Interior liner in pouring castable refractory is integral prefabricated, intermediate layer
With the ceramic fiber blanket of light fire brick, outer layer more than 20mm, the body of heater surface temperature for making is less than 50 DEG C；
3. efficient mode of heating.The flame for rotating fiery combustion head ejection at a high speed " washes away " crucible bottom in " parcel " formula,
Quickly and evenly crucible is heated；
4. using gap flue and coating for infrared radiating bodies.The front flue of 30~50mm narrow gaps forces high-temperature flue gas to be close to
Crucible, is conducive to improving convection heat transfer' heat-transfer by convection effect.Infra-red paint is applied in liner castable refractory inwall, infrared ray is greatly improved
Emittance；
5. fume afterheat is recycled.500 degree or so of fume afterheat is sprayed onto on the cold aluminium ingot of new addition, realization utilizes cigarette
The cold aluminium ingot of gas waste-heat, further improves the heat of total convection heat transfer' heat-transfer by convection；
6. the service life of crucible is extended.Due to the uniform heating of crucible bottom, not only increasing the efficiency of heating surface, also eliminate
The common fault of 6~8 months " short-lived " of crucible, the double growth of crucible life-span, the crucible life-span can exceed completely in practical application
1.5 years；
7. more than 3% can be improved using the high speed short burnout head efficiency of combustion from research and development.Can also be using commercial combustion
Oil, combustion gas, methanol burner.
To sum up, commercial efficient high-speed of the invention burning infrared ray die casting crucible aluminium melting furnace, its high combustion efficiency, during heating
Between it is short, will reduce the heat time on the premise of 50% or so, reduce the power of combustor, reduce flue outlet flue-gas temperature,
Efficiency of combustion is further increased, actual measurement combustion thermal efficiency is up to 78.2~86%, much leading domestic like product index.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of commercial efficient high-speed burns infrared ray die casting crucible aluminium melting furnace, including shell (2), upper lid (1), crucible (3), bottom
The fiery combustion head (7) of seat (6), at a high speed rotation, the high speed rotates fiery combustion head (7) and is fixed on the base (6), the crucible
(3) it is arranged on the fiery combustion head (7) of the high speed rotation in the shell (2), the upper lid (1) covers the crucible (3), its
It is characterised by, high speed rotation fire combustion head (7) is provided with combustion chamber (71), high speed rotation fire combustion head (7) is provided with
Input quirk (72) and several rotation spray nozzles (73), it is described be input into quirk (72) and rotation spray nozzles (73) respectively with it is described
Combustion chamber (71) is connected.
2. a kind of commercial efficient high-speed according to claim 1 burns infrared ray die casting crucible aluminium melting furnace, it is characterised in that
The circular in cross-section of the combustion chamber (71), the center line and horizontal plane of the combustion chamber (71), the high speed rotation
Circumferencial direction on fiery combustion head (7) along the combustion chamber (71) is provided with six to eight rotation spray nozzles (73).
3. a kind of commercial efficient high-speed according to claim 1 burns infrared ray die casting crucible aluminium melting furnace, it is characterised in that
The circular in cross-section of input quirk (72), its a diameter of 120mm, vertical angle is 7 ° to 15 °.
4. a kind of commercial efficient high-speed according to claim 1 and 2 burns infrared ray die casting crucible aluminium melting furnace, and its feature exists
In the combustion chamber (71) is interior on high speed rotation fire combustion head (7) is provided with rising ramp.
5. a kind of commercial efficient high-speed according to claim 1 burns infrared ray die casting crucible aluminium melting furnace, it is characterised in that
Place is sequentially provided with castable refractory (10), light fire brick (9), ceramic fiber blanket between the housing and the crucible (3)
(11) it is additionally provided with rear pass in flue (12) before, being formed between the crucible (3) and castable refractory (10), the shell (2)
(13), the shell (2) is provided with rotatable chimney (14), and one end of the front flue (12) connects with the combustion chamber (71)
Logical, the other end is connected with one end of the rear pass (13), and the other end of the rear pass (13) is connected with the chimney (14).
6. a kind of commercial efficient high-speed according to claim 5 burns infrared ray die casting crucible aluminium melting furnace, it is characterised in that
One side on the castable refractory (10) near the crucible (3) scribbles infra-red paint.
7. a kind of commercial efficient high-speed according to claim 1 burns infrared ray die casting crucible aluminium melting furnace, it is characterised in that
Aluminising water collection groove (8) is additionally provided with the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697180.2A CN106679416A (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697180.2A CN106679416A (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679416A true CN106679416A (en) | 2017-05-17 |
Family
ID=58839963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610697180.2A Pending CN106679416A (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168305A (en) * | 2018-02-11 | 2018-06-15 | 温岭市仁全机械设备有限公司 | A kind of industrial furnace stores device |
| CN108398012A (en) * | 2018-05-04 | 2018-08-14 | 温州力恩环保设备科技有限公司 | A kind of rotary zinc-melting furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338561A (en) * | 2011-09-09 | 2012-02-01 | 宁波国钰光伏材料有限公司 | Foamed ceramic gas crucible |
| CN203454747U (en) * | 2013-06-21 | 2014-02-26 | 成都赛德立热能科技有限公司 | Crucible aluminum melting furnace |
| CN205352063U (en) * | 2016-01-14 | 2016-06-29 | 山西金星镁业有限公司 | High -effect magnesium metal is smelted and is used melting furnace |
| CN205482344U (en) * | 2016-02-23 | 2016-08-17 | 宁波汉达节能环保科技有限公司 | Even burner block and crucible furnace generate heat |
| CN205482343U (en) * | 2016-02-23 | 2016-08-17 | 宁波汉达节能环保科技有限公司 | High -efficient heat accumulation formula non ferrous metal melting furnace |
| CN206056256U (en) * | 2016-08-19 | 2017-03-29 | 佛山市凯特科科技有限公司 | Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace |
-
2016
- 2016-08-19 CN CN201610697180.2A patent/CN106679416A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338561A (en) * | 2011-09-09 | 2012-02-01 | 宁波国钰光伏材料有限公司 | Foamed ceramic gas crucible |
| CN203454747U (en) * | 2013-06-21 | 2014-02-26 | 成都赛德立热能科技有限公司 | Crucible aluminum melting furnace |
| CN205352063U (en) * | 2016-01-14 | 2016-06-29 | 山西金星镁业有限公司 | High -effect magnesium metal is smelted and is used melting furnace |
| CN205482344U (en) * | 2016-02-23 | 2016-08-17 | 宁波汉达节能环保科技有限公司 | Even burner block and crucible furnace generate heat |
| CN205482343U (en) * | 2016-02-23 | 2016-08-17 | 宁波汉达节能环保科技有限公司 | High -efficient heat accumulation formula non ferrous metal melting furnace |
| CN206056256U (en) * | 2016-08-19 | 2017-03-29 | 佛山市凯特科科技有限公司 | Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168305A (en) * | 2018-02-11 | 2018-06-15 | 温岭市仁全机械设备有限公司 | A kind of industrial furnace stores device |
| CN108398012A (en) * | 2018-05-04 | 2018-08-14 | 温州力恩环保设备科技有限公司 | A kind of rotary zinc-melting furnace |
| CN108398012B (en) * | 2018-05-04 | 2024-02-23 | 温州力恩环保设备科技有限公司 | Rotary zinc melting furnace |
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Application publication date: 20170517 |