CN108907163A - A kind of aluminum ingot casting electric heating tube in drier chute device - Google Patents
A kind of aluminum ingot casting electric heating tube in drier chute device Download PDFInfo
- Publication number
- CN108907163A CN108907163A CN201810836727.1A CN201810836727A CN108907163A CN 108907163 A CN108907163 A CN 108907163A CN 201810836727 A CN201810836727 A CN 201810836727A CN 108907163 A CN108907163 A CN 108907163A
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- CN
- China
- Prior art keywords
- chute
- drier
- liner
- ingot casting
- aluminum ingot
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a kind of aluminum ingot casting electric heating tube in drier chute devices, it is made of several segments chute, every section of chute includes steel shell, chute liner, electric heater, thermal insulation material etc., the chute device is divided into several segments along its length, and each section of two side of chute liner is provided with electric heater;Sealing is compressed by sealed groove and sealing cord between each section of the chute;The chute is independently controlled each heater with being arranged with electric control system, realize chute liner temperature constant control in the purpose with temperature similar in casting melt, eliminate casting chute temperature drop problem, the realization of aluminum ingot casting technique is ensured, help to reduce cast insulation furnace melt tapping temperature, holding furnace energy consumption is reduced, while also contributing to extending chute service life.
Description
Technical field
The present invention relates to metal metallurgy smelting and casting field, in particular to a kind of aluminum ingot casting is filled with electric heating tube in drier chute
It sets.
Background technique
In aluminium processing industry foundry production, molten aluminum between stove transfer conveying and stove to all kinds of casting machines it
Between be required to using various chutes, these chutes are all made of the groove type structures with steel shell, and chute liner is pre- using refractory material
Sectional processed or direct step pouring molding structure, it is existing due to easily occurring chute liner cracking aluminising phenomenon in use process
Some chute ontologies are not provided with heating measures.
When turn of tidal stream and casting, biggish temperature drop can be generated when high-temperature fusion molten aluminum flows through these chutes, to solve chute
Temperature drop problem, current each enterprise mostly use following methods to cope with:
Raising temperature of aluminum liquid of coming out of the stove should compensate chute temperature drop;
Using chute lid heat protocol;
Chute is toasted with the native gun burner of dedicated or self-control;
These methods have the following disadvantages:
It will cause the ton aluminium energy consumption for dramatically increasing stove using the method for improving molten aluminum tapping temperature, meanwhile, it also can be to aluminium
Melt quality generates certain influence.
Using the scheme of chute lid heating due to hot gas nature rising phenomenon, the practical heating temperature of chute liner is limited, only
300 degree or so, chute temperature drop is still very big, simultaneously because chute lid need to open and close repeatedly, heater life is very poor, and this stream
Slot cover heating can only fit direct current groove heating method.
It will cause chute part using the native rifle baking scheme of dedicated or self-control seriously to overheat, convective tank ontology has very big damage
Evil, while there is also mass energy wasting phenomenons.
The provisional counter-measure that above-mentioned various schemes all only use to ensure casting technique realization, heating effect pole
Difference, chute temperature drop is still very big, not only causes a large amount of energy waste, simultaneously as the constantly cold and hot variation of chute, it also can be significantly
The cracking phenomena for increasing chute, influences the chute service life.
Summary of the invention
The present invention provides a kind of aluminum ingot casting electric heating tube in drier chute device, solves chute temperature drop and easily cracks aluminising
Problem ensures that casting technique is realized, while energy saving, and significantly extends chute service life.
In order to solve the above-mentioned technical problem, the technical scheme is that:
A kind of aluminum ingot casting electric heating tube in drier chute device, is made of, the chute includes in chute several segments chute
Gallbladder and steel shell, which is characterized in that electric heater, chute liner both ends are provided between the chute liner and the steel shell
End face is provided with seal groove;It is connected between the chute liner and steel shell by supported flange;The chute device further include with
The electric heater connects electric control system, which, which can realize, is independently controlled each heater, in turn
Realize that chute liner temperature constant control in the purpose with temperature similar in casting melt, eliminates casting chute temperature drop problem,
The realization for having ensured aluminum ingot casting technique helps to reduce cast insulation furnace melt tapping temperature, reduces holding furnace energy consumption,
It also contributes to extending chute service life simultaneously.
As a preferred technical solution of the invention, the chute liner is to be poured using the lower ball non-sticky to aluminum of Linear change rate
Material feeding is prefabricated to be formed.
As a preferred technical solution of the invention, the electric heater setting adds in two side of chute liner, the electricity
Hot device is one of plate electric heater, pipe dress electric heater, Elema electric heater.
As a preferred technical solution of the invention, it is additionally provided with insulating layer between the heater and the steel shell,
The insulating layer includes nano-thermal-insulating plate and high strength fiberboard, specifically, the nano-thermal-insulating plate with a thickness of 10~20mm,
The high strength fiberboard with a thickness of 50-150mm, the setting of insulating layer advantageously reduces thermal losses, and then reaches saving
The purpose of the energy.
As a preferred technical solution of the invention, temperature thermocouple, the thermometric are provided on the electric heater
Thermocouple is connect with the electric control system.
As a preferred technical solution of the invention, the junction of the chute liner is provided with filler, the filler
For cordage or graphite packing, is compressed by adjacent chute steel shell flange, molten aluminum can be effectively prevent from two sections of connection places
Leakage damage heater.
As a preferred technical solution of the invention, institute's chute may be designed to straight section formula structure or elbow type structure
Or three way type structure, various application requirements are suitable for, there is very strong application flexibility.
Beneficial effect:
1. electric heater is arranged between chute and steel shell, convective tank carries out high-efficiency heating and thermostatic control, it is ensured that chute
Always it maintains and casts similar temperature, temperature drop problem is transmitted along chute to eliminate casting process high temperature melt, for casting
It makes technique realization and provides guarantee.
2. higher level's cast insulation furnace melt tapping temperature can be significantly reduced, holding furnace energy consumption is reduced.
3. eliminating traditional chute chute cracking phenomena caused by cold and hot temperature drop repeatedly, substantially prolongs chute and use the longevity
Life;
2. chute liner, electric heater and steel shell one individual components of fixed composition are formed into modular construction, it can be quick
Connection is assembled, is easy to repair and maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for aluminum ingot casting electric heating tube in drier chute device that the embodiment of the present invention 1 provides;
Fig. 2 is a kind of structural schematic diagram for aluminum ingot casting electric heating tube in drier chute device that the embodiment of the present invention 2 provides.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
Embodiment 1
Refering to what is shown in Fig. 1, a kind of aluminum ingot casting electric heating tube in drier chute device, is made of several segments chute, the stream
Slot includes steel shell 15, chute liner 11, electric control system and the tubular electric heating 12 that the steel plate of 8mm thickness is prepared,
11 liang of end surfaces of the chute liner are respectively arranged with seal groove, and specifically, 11 length of chute liner is than 15 length of steel shell
Long 5mm, the chute liner 11 is to form using the lower ball non-sticky to aluminum of Linear change rate is casting material prefabricated, when the chute liner
11 with the steel shell 15 by supported flange when being connect, and the end face of chute liner 11 can protrude steel shell 2.5mm, in the chute
Junction between gallbladder 11 is also filled with Ф 10mm cordage, after the connection of two adjacent chute liners, the cordage of filling
Molten aluminum can be effectively prevented from segmentation interface leakage, thus solve the problems, such as 12 damage of tubular electric heating that aluminising generates,;
In addition, the tubular electric heating 12 is arranged in 11 two sides of chute liner and is fixed on the steel shell 15, it can be from stream
It is dismounted on slot, single tubular electric heating power may be provided between 1-10kw, and the operating temperature that can be born is 900 DEG C, can be with
Chute is heated to 800 DEG C, and is provided with temperature thermocouple 13 on the tubular electric heating 12, the temperature thermocouple 13 can
Realization is measured in real time the temperature of tubular electric heating 12 and chute liner 11 and its detection data is uploaded to electric-controlled
System processed, then the control to 12 heated condition of tubular electric heating is realized by electric control system, and then realize chute liner 11
Thermostatic control, it is worth noting that, the thermometric connecting with the electric control system is equipped on each tubular electric heating
Thermocouple 13, electric control system is independently controlled each tubular electric heating using multiloop temperature controller in the present embodiment,
That is each tubular electric heating, which is combined with temperature thermocouple, constitutes a current supply circuit and temperature control loop, will survey
Chute temperature is compared with set temperature, by PID arithmetic, controls electric heater work, realizes chute heating and control function
Can, realize the heating of convective tank and realize thermostatic control, and then may be implemented in chute high-efficiency heating and thermostatic control with casting
Temperature similar in technique (700~750 DEG C), can thoroughly eliminate chute temperature drop problem in casting process, ensure aluminum ingot casting work
The realization of skill.
Specifically in the present embodiment, the chute length may be provided between 600~1200mm, described in the embodiment
Chute liner 11 is formed using the lower ball non-sticky to aluminum of Linear change rate is casting material prefabricated, in the chute liner use that this material is made into
Cracking aluminising phenomenon will not be generated, meanwhile, 25mm thickness is disposed between the tubular electric heating 12 and the steel shell 15
The high strength fiberboard of degree, 20mm thickness nano-thermal-insulating plate, 50mm thickness high strength fiberboard, nano-thermal-insulating plate and high intensity
Being provided with for fiberboard reduces thermal losses conducive to insulation, and then achievees the purpose that energy saving.
Embodiment 2
Refering to what is shown in Fig. 2, a kind of aluminum ingot casting electric heating tube in drier chute device, is made of several segments chute, the stream
Slot includes steel shell 25, chute liner 21, electric control system and the electric heater cock body 22 that the steel plate of 8mm thickness is prepared,
21 liang of end surfaces of the chute liner are respectively arranged with seal groove, and specifically, 11 length of chute liner is than 15 length of steel shell
Long 5mm, the chute liner 11 is to form using the lower ball non-sticky to aluminum of Linear change rate is casting material prefabricated, when the chute liner
11 with the steel shell 15 by supported flange when being connect, and the end face of chute liner 11 can protrude steel shell 2.5mm, in the chute
Junction between gallbladder 11 is also filled with Ф 20mm graphite packing, and the heater cock body 22 is arranged in the chute liner 21
Two sides and be fixed on the steel shell 25 and can be dismounted from chute side, it should be noted that heater cock body 22 can be used it is board-like
Electric heater or Elema electric heater;, single heater cock body power can be within the scope of 1-10kw, the work temperature that can bear
Degree is 900 DEG C, and chute can be heated to 800 DEG C, be equipped with the survey connecting with electric control system on each heater cock body
Warm galvanic couple 23 may be implemented the heating of convective tank and realize thermostatic control under the control of electric control system, and then realize
In chute high-efficiency heating and thermostatic control with temperature similar in casting technique (700~750 DEG C), can thoroughly eliminate casting process
Middle chute temperature drop problem, has ensured the realization of aluminum ingot casting technique.
Specifically in the present embodiment, the length of the chute can design in the range of for 600~1200mm, and the stream
Slot liner 21 is formed using the lower ball non-sticky to aluminum of Linear change rate is casting material prefabricated, in the chute liner use that this material is made into not
Cracking aluminising phenomenon can be generated.
It needs to be concerned in the present embodiment, be disposed between the electric heater cock body 22 and the steel shell 25
The high strength fiberboard of 25mm thickness, 20mm thickness nano-thermal-insulating plate, 50mm thickness high strength fiberboard, nano-thermal-insulating plate
Thermal losses is reduced conducive to insulation with being provided with for high strength fiberboard, and then is achieved the purpose that energy saving.
It should be noted that a kind of aluminum ingot casting institute in electric heating tube in drier chute device that technical solution of the present invention provides
Stating heater can be electric heater of various shapes, in addition to baffle heater, the tubular electric heating being previously mentioned in embodiment
And outside elema heater, other heating elements such as resistance wire, resistance band substitution can also be used;In addition, technical solution of the present invention
In chute be made up of several segments subflow slot the flanged joint being arranged on the steel shell, which may be implemented chute
Quick assembling, and provide high convenience for its replacement maintenance, while also helping chute diversified structure design, use
Chute can be designed to different shape and structures according to specific requirements by family, be designed to that straight section formula, elbow type, three way type etc. are a variety of
Structure is suitable for various application requirements.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (7)
1. a kind of aluminum ingot casting electric heating tube in drier chute device, is made of several segments chute, the chute includes chute liner
And steel shell, which is characterized in that electric heater, two head end of chute liner are provided between the chute liner and the steel shell
Face is provided with seal groove;It is connected between the chute liner and steel shell by supported flange;The chute device further includes and institute
State electric heater connection electric control system.
2. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the chute liner
To be formed using the lower ball non-sticky to aluminum of Linear change rate is casting material prefabricated.
3. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the electric heater
Setting is in two side of chute liner, and the electric heater is plate electric heater, pipe fills electric heater, in Elema electric heater
It is a kind of.
4. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the electric heater
Insulating layer is additionally provided between the steel shell, the insulating layer includes nano-thermal-insulating plate and high strength fiberboard.
5. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the electric heater
On be provided with temperature thermocouple, the temperature thermocouple is connect with the electric control system.
6. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the chute liner
Junction be provided with filler, the filler is cordage or graphite packing.
7. aluminum ingot casting according to claim 1 electric heating tube in drier chute device, which is characterized in that the chute can be set
Count into straight section formula structure or elbow type structure or three way type structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810836727.1A CN108907163A (en) | 2018-07-26 | 2018-07-26 | A kind of aluminum ingot casting electric heating tube in drier chute device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810836727.1A CN108907163A (en) | 2018-07-26 | 2018-07-26 | A kind of aluminum ingot casting electric heating tube in drier chute device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108907163A true CN108907163A (en) | 2018-11-30 |
Family
ID=64415922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810836727.1A Withdrawn CN108907163A (en) | 2018-07-26 | 2018-07-26 | A kind of aluminum ingot casting electric heating tube in drier chute device |
Country Status (1)
Country | Link |
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CN (1) | CN108907163A (en) |
-
2018
- 2018-07-26 CN CN201810836727.1A patent/CN108907163A/en not_active Withdrawn
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Application publication date: 20181130 |