CN201974038U - Improved structure of heat accumulating type gas aluminum melting furnace - Google Patents
Improved structure of heat accumulating type gas aluminum melting furnace Download PDFInfo
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- CN201974038U CN201974038U CN201120020064XU CN201120020064U CN201974038U CN 201974038 U CN201974038 U CN 201974038U CN 201120020064X U CN201120020064X U CN 201120020064XU CN 201120020064 U CN201120020064 U CN 201120020064U CN 201974038 U CN201974038 U CN 201974038U
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- molten aluminium
- aluminium stove
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- melting furnace
- stove
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Abstract
The utility model discloses an improved structure of a heat accumulating type gas aluminum melting furnace. The improved structure comprises an aluminum melting furnace, a control system for setting working parameters of the aluminum melting furnace, and two heat accumulating type nozzles connected to the furnace wall of the aluminum melting furnace, wherein the heat accumulating type nozzle is provided with a smoke discharge pipeline and a blast pipeline; the blast pipeline is internally provided with a smoke inlet fan; a differential pressure transducer connected with the control system penetrates through the furnace wall of the aluminum melting furnace; the smoke discharge pipeline is internally provided with a smoke discharge gate; and the differential pressure transducer collects pressure signals in the furnace and transmits the signals to the control system of the aluminum melting furnace, and the opening degree of the smoke discharge gate is controlled by the control system according to the pressure signals in the furnace so as to realize the automatic control on smoke discharge quantity. Through automatically controlling the discharge quantity of high temperature smoke of the aluminum melting furnace during burning, the air pressure in the furnace is ensured to be within an allowable range, and the safety, reliability and heat utilization of the aluminum melting furnace in work can be improved.
Description
Technical field
The utility model relates to the molten aluminium stove of regenerative gas.
Background technology
Molten aluminium stove is a kind of novel high-efficiency and energy-saving stove of developing according to the aluminium smelting technology, it can satisfy in the aluminium smelting technology well: alloy composition requires tight, produce discontinuously, single heat size is bigger to wait requirement, has reached to reduce to consume, reduce scaling loss, improve the quality of products, reduce labour intensity, the effect of improving working conditions and enhancing productivity, be applicable to batch operation, the melting that gold conjugate and foundry returns are many.
The existing high-temperature flue gas that produces when the aluminium stove burns that melts easily causes the stove inner high voltage, if the high-temperature flue gas discharging is untimely, stove gate is easily burned with anger, and not only burns out fire door, and heat is greatly lost, if discharging is too fast, then can cause stove to work under subnormal ambient, and the thermal efficiency reduces.Therefore, the discharge capacity of high-temperature flue gas is controlled when being necessary molten aluminium stove burning, to improve the safety in utilization and the life-span of molten aluminium stove.
Summary of the invention
Problem to be solved in the utility model just provides the molten aluminium stove of a kind of regenerative gas, the discharge capacity of high-temperature flue gas was controlled automatically when molten aluminium stove was burnt, guarantee that the stove internal gas pressure is in allowed limits, security, reliability and heat utilization efficiency when the molten aluminium furnaceman of raising does.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the molten aluminium stove of regenerative gas improves structure, comprise molten aluminium stove, be used to set molten aluminium furnaceman and make the parameter control system and be connected two heat-accumulating burners on the molten aluminium stove furnace wall, described heat-accumulating burner is provided with smoke discharging pipe and intake stack, be provided with into cigarette blower fan in the intake stack, it is characterized in that: be coated with the differential pressure pickup that is connected with control system on the furnace wall of described molten aluminium stove, be provided with smoke evacuation cigarette lock in the described smoke discharging pipe; Described differential pressure pickup is gathered the furnace pressure signal and is transferred to control system, by the aperture of control system according to furnace pressure signal controlling smoke evacuation cigarette lock, realizes the automatic control of exhaust smoke level.
Further, described molten aluminium furnace bottom furnace wall is provided with a stream eye assembly, and described stream eye assembly is inner to be communicated with molten aluminium furnace interior space, and a stream eye assembly outer end is connected with the metaideophone chute and is used for aluminium water and goes to holding furnace.
Further, described stream eye assembly comprises the brick cup body and is inlaid in plug brick body in the brick cup body, and described brick cup body and molten aluminium stove furnace wall are cast for one, and described plug brick body is designed to cone, fills on the brick body to have coniform stream eyelet.Coniform stream eyelet can avoid the stream eye to stop up, the replacing that the conical structure of the external wall of plug brick is easy to fill in the brick body.
Further, described metaideophone chute by steel shell with form by casting material prefabricated inner bag.Have anti-ly wash away, the characteristics of anti-rapid heat cycle.
Further, also be coated with the thermometric thermocouple on the described molten aluminium stove furnace wall.Control system is according to the size of Control for Kiln Temperature and adjusting burning load, to reach the self-regulating purpose of temperature.
Further, be provided with combustion fan in the described intake stack.Utilize combustion fan to produce combustion air furnace inner space is purged, fuel that may be remaining in the displacement loss of sheet guarantees safety ignition.
Further, described molten aluminium furnace roof portion is provided with bell, and bell is provided with cover carriage and is used for the automatic shutter bell.Adopt top filling to have the advantage convenient, that labour intensity is low, furnace temperature fluctuation is little of feeding in raw material.
Further, between described bell and the molten aluminium stove furnace wall heat-resisting cast iron spare is set and adds sealing strip.This structural design guarantees the life-span that it is long, and bell need not water cooling.
The beneficial effects of the utility model: furnace pressure control is to guarantee safety in production and energy-conservation important means, the utility model utilizes differential pressure pickup to gather the furnace pressure signal and transfers to molten aluminium furnace control system, by the aperture of control system according to furnace pressure signal controlling smoke evacuation cigarette lock, realize the automatic control of exhaust smoke level, thereby guarantee furnace gas pressure in allowed limits, guarantee the molten normal combustion conditions of aluminium stove; Security, reliability and heat utilization efficiency when the molten aluminium furnaceman of raising does.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a vertical view of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 1;
Fig. 5 is the enlarged drawing at I place among Fig. 4.
The specific embodiment
With reference to Fig. 1,2, the utility model is that the molten aluminium stove of regenerative gas improves structure, comprise molten aluminium stove 1, be used to set molten aluminium stove 1 control of operating parameters system and be connected two heat-accumulating burners 2 that melt on aluminium stove 1 furnace wall, described heat-accumulating burner 2 is provided with smoke discharging pipe 21 and intake stack 23, be provided with into cigarette blower fan in the intake stack 23, be coated with the differential pressure pickup 3 that is connected with control system on the furnace wall of described molten aluminium stove 1, be provided with smoke evacuation cigarette lock 22 in the described smoke discharging pipe 21; Described differential pressure pickup 3 is gathered the furnace pressure signal and is transferred to molten aluminium stove 1 control system, by the aperture of control system according to furnace pressure signal controlling smoke evacuation cigarette lock 22, realizes the automatic control of exhaust smoke level.
With reference to Fig. 4,5, molten furnace wall, aluminium stove 1 bottom is provided with a stream eye assembly, and described stream eye assembly is inner to be communicated with molten aluminium stove 1 inner space, and a stream eye assembly outer end is connected with metaideophone chute 7 and is used for aluminium water and goes to holding furnace; Stream eye assembly comprises brick cup body 11 and is inlaid in plug brick body 12 in the brick cup body 11, and described brick cup body 11 is cast for one with molten aluminium stove 1 furnace wall, and described plug brick body 12 is designed to cone, has coniform stream eyelet 121 on the plug brick body 12.Coniform stream eyelet 121 can avoid the stream eye to stop up, the replacing that the conical structure of plug brick body 12 outer walls is easy to fill in brick body 12; Metaideophone chute 7 by steel shell 71 with form by casting material prefabricated inner bag 72, have anti-ly wash away, the characteristics of anti-rapid heat cycle.
With reference to also being coated with thermometric thermocouple 4 on the described molten aluminium stove of Fig. 31 furnace wall; Control system is according to the size of Control for Kiln Temperature and adjusting burning load, to reach the self-regulating purpose of temperature.
Be provided with combustion fan in the intake stack 23, utilize combustion fan to produce combustion air furnace inner space is purged, purge time was generally 2～3 minutes, fuel that may be remaining in the displacement loss of sheet, guarantee safety ignition, but work as furnace temperature greater than will not purging under 750 ℃ the situation; Molten aluminium stove 1 top is provided with bell 6, and bell 6 is provided with cover carriage 5 and is used for automatic shutter bell 6, adopts top filling to have the advantage convenient, that labour intensity is low, furnace temperature fluctuation is little of feeding in raw material, and directly puts into ground by cover carriage 5 in the time of need safeguarding and safeguards processing; Between described bell 6 and molten aluminium stove 1 furnace wall heat-resisting cast iron spare is set and adds sealing strip 61, this structural design guarantees the life-span that it is long, and bell 6 need not water cooling.
Above-mentioned control system (not shown) selects for use the SIEMENS program controller as the control core usually, adopts intelligence instrument as man-machine interface, is used for showing in real time temperature in the stove that melts aluminium stove 1, and can sets and revise technological parameter immediately; The control range of control system is also switched mechanisms such as system and gearing to igniting, burner and is controlled except temperature control, furnace pressure control and purging control, is convenient to manage concentratedly.
When reinforced, bell 6 is opened, lifted charging bucket by the workshop overhead traveling crane then the solid material is added in the stove by cover carriage 5; Reinforced finishing covered bell 6 by cover carriage 5; After the solid material fusing, prepare burden, adopt then that artificial liquid towards aluminium carries out effectively, stirring fully, so that temperature of aluminum liquid, composition are more even by technological requirement.In whole melting cycle, can stir, skim, take a sample, sample analysis and adjustment.By the structural design of the utility model science, design of the system of high reliability and high-quality manufacturing, construction fully guarantee efficient, the stable for a long time work of stove; Reasonably use refractory material and plant equipment, can improve this equipment dependability energy greatly, significantly reduce the line service amount.
Except that above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (8)
1. the molten aluminium stove of regenerative gas improves structure, comprise molten aluminium stove (1), be used to set molten aluminium stove (1) control of operating parameters system and be connected two heat-accumulating burners (2) that melt on aluminium stove (1) furnace wall, described heat-accumulating burner (2) is provided with smoke discharging pipe (21) and intake stack (23), be provided with into cigarette blower fan in the intake stack (23), it is characterized in that: be coated with the differential pressure pickup (3) that is connected with control system on the furnace wall of described molten aluminium stove (1), be provided with smoke evacuation cigarette lock (22) in the described smoke discharging pipe (21); Described differential pressure pickup (3) is gathered the furnace pressure signal and is transferred to molten aluminium furnace control system, by the aperture of control system according to furnace pressure signal controlling smoke evacuation cigarette lock (22), realizes the automatic control of exhaust smoke level.
2. the molten aluminium stove of regenerative gas according to claim 1 improves structure, it is characterized in that: furnace wall, described molten aluminium stove (1) bottom is provided with stream eye assembly, described stream eye assembly is inner to be communicated with molten aluminium stove (1) inner space, and a stream eye assembly outer end is connected with metaideophone chute (7) and is used for aluminium water and goes to holding furnace.
3. the molten aluminium stove of regenerative gas according to claim 2 improves structure, it is characterized in that: described stream eye assembly comprises brick cup body (11) and is inlaid in the interior plug brick body (12) of brick cup body (11), described brick cup body (11) is cast for one with molten aluminium stove (1) furnace wall, described plug brick body (12) is designed to cone, has coniform stream eyelet (121) on the plug brick body (12).
4. improve structure according to the molten aluminium stove of claim 2 or 3 described regenerative gas, it is characterized in that: described metaideophone chute (7) by steel shell (71) with form by casting material prefabricated inner bag (72).
5. improve structure according to claim 1 or the molten aluminium stove of 2 or 3 described regenerative gas, it is characterized in that: also be coated with thermometric thermocouple (4) on described molten aluminium stove (1) furnace wall.
6. improve structure according to claim 1 or the molten aluminium stove of 2 or 3 described regenerative gas, it is characterized in that: described intake stack is provided with combustion fan in (23).
7. improve structure according to claim 1 or the molten aluminium stove of 2 or 3 described regenerative gas, it is characterized in that: described molten aluminium stove (1) top is provided with bell (6), and bell (6) is provided with cover carriage (5) and is used for automatic shutter bell (6).
8. the molten aluminium stove of regenerative gas according to claim 7 improves structure, it is characterized in that: between described bell (6) and molten aluminium stove (1) furnace wall heat-resisting cast iron spare is set and adds sealing strip (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120020064XU CN201974038U (en) | 2011-01-21 | 2011-01-21 | Improved structure of heat accumulating type gas aluminum melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120020064XU CN201974038U (en) | 2011-01-21 | 2011-01-21 | Improved structure of heat accumulating type gas aluminum melting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201974038U true CN201974038U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120020064XU Expired - Fee Related CN201974038U (en) | 2011-01-21 | 2011-01-21 | Improved structure of heat accumulating type gas aluminum melting furnace |
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| CN (1) | CN201974038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052834A (en) * | 2011-01-21 | 2011-05-11 | 宋生权 | Improvement structure of regenerative fuel gas aluminum melting furnace |
| CN109161787A (en) * | 2018-08-16 | 2019-01-08 | 南京公诚节能新材料研究院有限公司 | A kind of preparation method for energy saving alloy melting |
-
2011
- 2011-01-21 CN CN201120020064XU patent/CN201974038U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052834A (en) * | 2011-01-21 | 2011-05-11 | 宋生权 | Improvement structure of regenerative fuel gas aluminum melting furnace |
| CN109161787A (en) * | 2018-08-16 | 2019-01-08 | 南京公诚节能新材料研究院有限公司 | A kind of preparation method for energy saving alloy melting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20120121 |