CN206056256U - Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace - Google Patents
Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace Download PDFInfo
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- CN206056256U CN206056256U CN201620912057.3U CN201620912057U CN206056256U CN 206056256 U CN206056256 U CN 206056256U CN 201620912057 U CN201620912057 U CN 201620912057U CN 206056256 U CN206056256 U CN 206056256U
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- crucible
- melting furnace
- infrared ray
- die casting
- combustor
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Abstract
The infrared ray die casting crucible aluminium melting furnace the utility model discloses a kind of commercial efficient high-speed burns, including shell, upper lid, crucible, at a high speed base, the fiery combustion head of rotation.Rotate at a high speed fiery combustion head to be fixed on base, crucible is arranged at, and upper lid covers crucible.Rotate at a high speed fiery combustion head and be provided with combustor, rotate at a high speed fiery combustion head and be provided with input quirk and several rotation spray nozzles, input quirk and rotation spray nozzles are connected with combustor respectively.Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present utility model, its global design are reasonable, high insulating effect, crucible life is long, and the efficiency of heating surface is high, can make full use of the waste heat of flue gas, actually used middle combustion thermal efficiency up to 78.2～86%, combustion thermal efficiency is very high.
Description
Technical field
This utility model belongs to aluminium melting furnace technical field, is related to a kind of commercial efficient high-speed burning infrared ray die casting crucible and melts
Aluminum stove.
Background technology
Aluminium melting furnace is main energy consumption equipment, and as China is backward in technique, most enterprise is still using the production work that tradition is backward
Skill, energy consumption are typically in 107kg mark coal/t aluminum or so, external to be generally below 78.65kg mark coal/t aluminum.1t aluminium ingots are dissolved actually
(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 external is 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.
The flue-gas temperature of domestic aluminium melting furnace is to reduce the heat loss that flue gas is taken away up to more than 1000 degree, the aluminium melting furnace of early stage,
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 as usual workshop is narrow, aluminium melting furnace is set 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., typically more than 75kg diesel oil/t aluminum, combustion thermal efficiency is not enough for energy consumption
36%.
Utility model content
The purpose of this utility model is to provide a kind of commercial efficient high-speed burning infrared ray of rational in infrastructure, high combustion efficiency
Die casting crucible aluminium melting furnace.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of commercial efficient high-speed burning
Infrared ray 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
Combustion head is fixed on the base, and the crucible is arranged at the inside the shell on the fiery combustion head of high speed rotation, it is described on
The crucible is covered, the high speed rotation fire combustion head is provided with combustor, and the high speed rotation fire combustion head is provided with input
Quirk and several rotation spray nozzles, the input quirk and rotation spray nozzles are connected with the combustor respectively.
Further, the circular in cross-section of the combustor, the centrage and horizontal plane of the combustor are described
Rotate at a high speed the circumferencial direction on fiery combustion head along the combustor and be 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 are 7 ° to 15 °.
Further, on the fiery combustion head of the high speed rotation, the burning interior is provided with rising ramp.
Further, between the shell and the crucible, place is sequentially provided with castable refractory, light fire brick, ceramics fibre
Dimension felt, flue before being formed between the crucible and castable refractory, the inside the shell are additionally provided with rear pass, and the shell is provided with
Rotatable chimney, one end and the combustor of the front flue are connected, and one end of the other end and the rear pass is connected, 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.
This utility model beneficial effect：Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present utility model,
Its global design is reasonable, high insulating effect, and during work, which rotates at a high speed high speed swirl flame of fiery combustion head ejection in " parcel "
Formula " washes away " crucible bottom carries out efficient convection heat transfer' heat-transfer by convection, realizes heating quick to crucible, uniform, and the flue gas produced during heating is entered
Front flue continues uniform " parcel " crucible outer surface rotation and rises, and continuation carries out post bake to crucible, and in liner fire resisting
Castable inwall applies infra-red paint, is greatly improved infrared radiation energy, and it is cold that the flue gas discharged from chimney is further continued for heating
Aluminium ingot, makes full use of waste heat.Therefore commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present utility model, its heating
Efficiency high, fume afterheat is made full use of, actually used middle combustion thermal efficiency up to 78.2～86%, 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 this utility model embodiment
Figure.
Fig. 2 is the top view for rotating at a high speed fiery combustion head.
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；
Combustor 71, input quirk 72, rotation spray nozzles 73.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in this utility model embodiment is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than the embodiment of whole.
Based on the embodiment in this utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of this utility model protection.
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, which 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.Rotate at a high speed fiery combustion head 7 to be fixed on base 6, rotate at a high speed fiery combustion head 7
The combustor 71 of circular in cross-section is machined with, the centrage and horizontal plane of combustor 71 are machined with combustor 71
Rise ramp.With reference to Fig. 2, rotate at a high speed and eight rotation spray nozzles are machined with along the circumferencial direction of combustor 71 on fiery combustion head 7
73, rotation spray nozzles 73 are connected with combustor 71.Rotate at a high speed the input connected with combustor 71 is also machined with 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 combustor 71 by being input into quirk 72
Flare.Crucible 3 is designed as graphite crucible, and crucible 3 is seated in, and upper lid 1 covers crucible
3.Between shell 2 and crucible 3, place is sequentially provided with castable refractory 10, light fire brick 9, ceramic fiber blanket 11, castable refractory
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.Before between crucible 3 and castable refractory 10, formation width is 30～50mm
Flue 12, is machined with rear pass 13 on castable refractory 10 and light fire brick 9 in shell 2, and the top of shell 2 is provided with can revolve
The chimney 14 for turning, lower end and the combustor 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.As 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, on castable refractory, 10 scribble infra-red paint near the one side of crucible 3, are greatly improved infrared ray spoke
Penetrate energy.Decision design, rotates in shell 2 at a high speed between fiery combustion head 7 and castable refractory 10 and forms aluminising water collection groove 8, its
For collecting the aluminum water for oozing out.
The operation principle of commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present utility model：Short burnout head
Or the flame Jing input quirks 5 of combustor tangentially inject the combustor 71 for rotating at a high speed fiery combustion head 7, rotation at a high speed forms high
Quick burning burns, and the furnace temperature of combustor 71 quickly rises to more than 1300 degree, and rapidly " washing away " 3 bottom of crucible is carried out efficiently to spreading
Heat, while hot combustor 71 is to 3 bottom infrared radiation of crucible, eight rotation sprays of the swirl flame of hyperpyrexia from burner hearth
Nozzles 73 rapidly rotate ejection, remain that rapidly swirl flame " wraps up " 3 bottom of crucible and are heated, the cigarette produced during heating
Gas continues uniformly " to wrap up " the rotation rising of 3 outer surface of crucible into front flue 12, finally goes out from rear pass 13.
The advantage of commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace of the present utility model is as follows：
1. using the low table for being adapted to 350～400T aluminium casting machine mechanical hands, big volume graphite crucible, 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
It is more than the ceramic fiber blanket of 20mm with light fire brick, outer layer, the body of heater surface temperature for making is less than 50 DEG C；
3. efficient mode of heating.The flame for rotating at a high speed fiery combustion head ejection " washes away " crucible bottom in " parcel " formula,
Quickly and evenly crucible is heated；
4. gap flue and coating for infrared radiating bodies are adopted.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 eliminating
The common fault of 6～8 months " the dying young " of crucible, the double growth of crucible life, in practical application, crucible life can exceed completely
1.5 year；
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 burning infrared ray die casting crucible aluminium melting furnace of the present utility model, its high combustion efficiency, plus
The hot time is short, will reduce heat time heating time on the premise of 50% or so, and reduce the power of combustor, and reduce flue outlet flue gas temperature
Degree, further increases efficiency of combustion, and actual measurement combustion thermal efficiency is up to 78.2～86%, and much leading domestic like product refers to
Mark.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
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 rotate fiery combustion head (7) and are 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 combustor (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
Combustor (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 combustor (71), the centrage and horizontal plane of the combustor (71), the high speed rotation
Circumferencial direction on fiery combustion head (7) along the combustor (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 are 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 on high speed rotation fire combustion head (7), the combustor (71) is interior 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
Between the shell (2) and the crucible (3), place is sequentially provided with castable refractory (10), light fire brick (9), ceramic fiber blanket
(11) rear pass is additionally provided with 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) is connect with the combustor (71)
Logical, one end of the other end and the rear pass (13) is connected, 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 |
|---|---|---|---|
| CN201620912057.3U CN206056256U (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912057.3U CN206056256U (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056256U true CN206056256U (en) | 2017-03-29 |
Family
ID=58383564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620912057.3U Expired - Fee Related CN206056256U (en) | 2016-08-19 | 2016-08-19 | Commercial efficient high-speed burning infrared ray die casting crucible aluminium melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206056256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679416A (en) * | 2016-08-19 | 2017-05-17 | 佛山市凯特科科技有限公司 | Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace |
-
2016
- 2016-08-19 CN CN201620912057.3U patent/CN206056256U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679416A (en) * | 2016-08-19 | 2017-05-17 | 佛山市凯特科科技有限公司 | Commercial efficient high-speed-combustion infrared pressure casting crucible aluminum smelting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180819 |