CN104232934A - Natural gas holding furnace for casting aluminum pistons - Google Patents
Natural gas holding furnace for casting aluminum pistons Download PDFInfo
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- CN104232934A CN104232934A CN201410416879.8A CN201410416879A CN104232934A CN 104232934 A CN104232934 A CN 104232934A CN 201410416879 A CN201410416879 A CN 201410416879A CN 104232934 A CN104232934 A CN 104232934A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
The invention discloses a natural gas holding furnace for casting aluminum pistons, relating to the field of aluminum piston casting. The natural gas holding furnace comprises a furnace body, wherein a melting tank, a refining tank and a holding tank are sequentially communicated and arranged in the furnace body; a ring-mounted aluminum soaking tank with a combustor is arranged beside the melting tank; an upper cover is arranged above the melting tank; two salt core baking bins are arranged at the rear part of the melting tank above the upper cover, and communicated with the melting tank through a flue arranged in the upper cover; a ring-mounted baking bin is arranged on the front upper part of the salt core baking bins; the lower part of the ring-mounted baking bin is communicated with the front ends of the salt core baking bins through the flue; a thermocouple is arranged in the ring-mounted baking bin; the upper end of the ring-mounted baking bin is provided with a flue communicated with the outside; and a flue is arranged above the ring-mounted aluminum soaking tank and communicated with the lower part of the ring-mounted baking bin. The holding furnace centrally performs molten aluminum refinement, holding, ring-mounted aluminum soaking, salt core baking and ring mounting, effectively utilizes the excess heat of the flue gas, saves the energy, personnel and space, has high degree of automation, and is suitable for mass casting of pistons.
Description
Technical field
The present invention relates to aluminium recovery casting field, specifically refer to the insulation of a kind of aluminium liquid and flue gas waste heat utilization device.
Background technology
Edge aluminum piston with internally cooled ring is applied more and more widely because of its excellent performance, and in castingprocesses, salt core and edge circle all play an important role.Edge circle, for improving the wear-resisting of piston and resistance to elevated temperatures, will be done leaching aluminium process and inlay when casting of piston again after being baked to certain temperature by edge circle before Casting Aluminum Piston.In piston, cooling oil duct is because inner chamber is compared with large and oil passage outlet is little, so the salt core easily departed from generally will be used in being formed during cooling oil duct, need salt core to be baked to higher temperature during casting and put into the corresponding hole of Piston mould again, until piston after casting completes, water dissolution met by salt core can form interior cooling oil duct.Therefore in the casting of edge aluminum piston with internally cooled ring, except smelting furnace, refining furnace, holding furnace, edge circle leaching aluminium pond, salt core and edge circle roaster is needed toward contact.In prior art, aluminum anodizing, edge circle leaching aluminium, the baking of salt core, the baking of edge circle are all independently carried out, and personnel and the equipment of needs are more, take up room also larger; A large amount of high-temperature flue gas that simultaneously holding furnace produces in the process of insulation directly discharge, and the heat that high-temperature flue gas is taken away is a lot, cause the waste of the energy and make the increase of enterprise's production cost.Therefore, how to reduce energy consumption, long-term technology demand that save energy, raising furnace thermal efficiency have become those skilled in the art.
Summary of the invention
The technical problem to be solved in the present invention is to provide Casting Aluminum Piston Sweet natural gas holding furnace, aluminum anodizing, the insulation of aluminium liquid, edge circle leaching aluminium, baking salt core and baking edge circle operation have been concentrated by it, effectively utilize fume afterheat, save energy, personnel and space, level of automation is high, is suitable for the production of cast pistons in enormous quantities and works continuously.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Casting Aluminum Piston Sweet natural gas holding furnace, comprise body of heater, the molten bath be communicated with successively, concise pond and thermal insulation pool is provided with in body of heater, side, molten bath is also provided with the edge circle leaching aluminium pond of burner b, the channel setting that molten bath, concise pond are connected with thermal insulation pool in molten bath, the bottom of concise pond and thermal insulation pool, above molten bath, upper cover is set; Above upper cover, two salt core baking storehouses are arranged at rear portion, molten bath, salt core baking storehouse is communicated with molten bath by the flue a arranged in upper cover, salt core baking front upper place, storehouse arranges edge circle baking storehouse, the bottom in edge circle baking storehouse is communicated with by flue b with salt core baking front end, storehouse, the baking of edge circle arranges thermopair b in storehouse, edge circle baking upper end, storehouse arranges flue c and is in communication with the outside, and arranges the bottom that flue d is communicated with edge circle baking storehouse above edge circle leaching aluminium pond; Cover the skimming gate being provided with fire door arranging and be communicated with molten bath on before body of heater, skimming gate both sides arrange the liquid adding hole and burner a that are communicated with molten bath, and body of heater rear portion arranges the thermopair a reached in molten bath.
The present invention improves further and is: concise pond, thermal insulation pool and edge circle leaching aluminium pond all arrange two, are arranged symmetrically in both sides, molten bath.
The present invention improves further and is: arrange storehouse lid a after edge circle baking storehouse, arrange edge coil in storehouse; Storehouse lid b is set after salt core baking storehouse, rotating pallet is set in storehouse.
The present invention improves further and is: arrange air door in flue c and flue d.
Owing to adopting technique scheme, the beneficial effect that the present invention produces is:
Casting Aluminum Piston Sweet natural gas holding furnace, comprise edge circle leaching aluminium pond and the molten bath be communicated with successively, refining pond and thermal insulation pool, arrange salt core baking storehouse and edge circle baking storehouse above molten bath, salt core baking storehouse and edge circle baking storehouse utilize the waste heat of flue gas in molten bath and edge circle leaching aluminium pond to fulfil assignment.Aluminum anodizing, the insulation of aluminium liquid, edge circle leaching aluminium, baking salt core and baking edge circle operation have been concentrated by the present invention, have saved personnel and space, have effectively utilized fume afterheat, save energy simultaneously, reduced energy consumption.
Set gradually channel connection at the bottom of molten bath in body of heater, concise pond and thermal insulation pool pond, in aluminium liquid, Slag inclusion swims on liquid level, and selecting open walk at the bottom of pond that impurity can be avoided to enter in finally stand-by aluminium liquid affects castability.
Molten bath and edge circle baking storehouse are provided with thermopair, in flue c and flue d, air door is set, adjust flue air input according to the angle of different sites thermopair feedback data control combustion device and door opening and reach design temperature, meet processing requirement, ensure quality product and realize automatically controlling.
Salt core baking storehouse is provided with rotatable tray, and during baking, salt core realizes automatic rotation, ensures that the preheating of salt core is even, improves casting for piston quality.Edge circle baking storehouse arranges edge coil, conveniently inlays the fixing of circle and takes out, raising the efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 be in Fig. 1 A-A to sectional view;
Fig. 4 be in Fig. 1 B-B to sectional view;
In the accompanying drawings: 1, body of heater, 2, molten bath, 3, concise pond, 4, thermal insulation pool, 5, skimming gate, 6, fire door, 7, liquid adding hole, 8, burner a, 9, thermopair a, 10, edge circle baking storehouse, 10-1, storehouse lid a, 10-2, edge coil, 11, salt core baking storehouse, 11-1, storehouse lid b, 11-2, pallet, 12, flue a, 13, flue b, 14, thermopair b, 15, flue c, 16, burner b, 17, edge circle leaching aluminium pond, 18, flue d, 19, air door, 20, motor a, 21, speed reduction unit, 22, pulley a, 23, pulley b, 24, motor b, 25, support, 26, upper cover.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details:
Structural representation of the present invention as shown in Figure 4, Sweet natural gas holding furnace contains molten bath 2, concise pond 3, thermal insulation pool 4, edge circle leaching aluminium pond 17, improve level of automation, saving personnel and space, upper cover 26 above molten bath 2 is arranged salt core baking storehouse 11 and edge circle baking storehouse 10, the flue gas in molten bath 2 and edge circle leaching aluminium pond 17 enters Liang Cang by flue, utilizes fume afterheat to complete the baking of salt core and edge circle, save energy, reduces energy consumption.
Molten bath 2, concise pond 3, thermal insulation pool 4 and edge circle leaching aluminium pond 17 is provided with in body of heater 1, molten bath 2 is in mid-way, zygomorphy arranges concise pond 3, thermal insulation pool 4 and edge circle leaching aluminium pond 17, and be communicated with successively at the bottom of molten bath 2, concise pond 3 and thermal insulation pool 4 pond, in aluminium liquid, Slag inclusion swims on liquid level, affects castability in the aluminium liquid that open walk at the bottom of pond can avoid impurity to enter stand-by thermal insulation pool 4.Aluminium liquid above arranges liquid adding hole 7 from body of heater 1 and enters molten bath 2, and aluminium liquid flows into concise pond 3 via pond, the end again, and after refining completes, to enter thermal insulation pool 4 by pond underflow stand-by for aluminium liquid.Molten bath 2 degree of depth is more shallow, and the aluminium liquid degree of depth is at about 320mm, and the more shallow degree of depth is conducive to heat transfer, and aluminium liquid is heated evenly, and upper and lower temperature difference is little, and in shallow pool, the thermal conduction resistance of aluminium liquid is less than deep molten bath, is easy to the heat conduction in melt.Be provided with burner a8, thermopair a9 in molten bath 2, reach design temperature according to thermopair a9 feedback data control combustion device a8, meet processing requirement, ensure quality product and realize automatically controlling.
Upper cover 26 is provided with above molten bath 2, above upper cover 26, there are two symmetrically arranged salt core baking storehouses 11 at rear portion, molten bath 2, salt core baking rear end, storehouse 11 arranges storehouse lid b11-1, inside arranges pallet 11-2, pallet 11-2 is connected with the motor b24 being arranged on body of heater outside surface outside storehouse, and starter motor 24 drives pallet 11-2 to rotate, and makes the salt core on pallet 11-2 realize automatic rotation, ensure that the preheating of salt core is even, improve casting for piston quality.On salt core baking storehouse 11, front arranges an edge circle baking storehouse 10, and edge circle baking rear end, storehouse 10 arranges storehouse lid a10-1, and upper end arranges flue c15 and is in communication with the outside, and inside arranges edge coil 10-2, the placement of convenient edge circle and taking.Salt core baking storehouse 11 is communicated with molten bath 2 by flue a12, salt core baking front end, storehouse 11 arranges flue b13 with inlaying to enclose and toasts bottom, storehouse 10 and be connected, edge circle leaching upper end, aluminium pond 17 with burner b16 arranges the bottom in flue d18 communication channel edge circle baking storehouse 10, burner b16 is used for the aluminium liquid heating to edge circle leaching aluminium pond 17, as shown in Figure 2.The flue gas in molten bath 2 and edge circle leaching aluminium pond 17 enters salt core baking storehouse 11 and edge circle baking storehouse, storehouse 10, two by flue a12, flue d18 and utilizes the waste heat of flue gas to complete baking to salt core and edge circle, save energy.
Arrange air door 19 respectively in flue c15 and flue d18, air door 19 can rotate around the shaft in flue, as shown in Figure 3.Adjust flue air input according to the angle of Data Control air door 19 unlatching of thermopair b14 feedback and reach design temperature, meet processing requirement, and realize automatically controlling.
As shown in Figure 1, the upper cover 26 of body of heater 1 arranges skimming gate 5, the Slag inclusion in aluminium liquid carries out labor cleaning by skimming gate 5.Upper cover 26 before body of heater 1 is fixedly connected with fire door support 25, fixed electrical machinery a20, speed reduction unit 21 and pulley a22 on support 25, pulley b23 is fixed on the upper end of fire door 6, and starter motor a20 slows down through speed reduction unit 21, then transforms via pulley a22 the lifting that direction realizes fire door 6.
Claims (4)
1. Casting Aluminum Piston Sweet natural gas holding furnace, comprise body of heater (1), the molten bath (2) be communicated with successively, concise pond (3) and thermal insulation pool (4) is provided with in body of heater (1), it is characterized in that: molten bath (2) side is also provided with burner b(16) edge circle leaching aluminium pond (17), the channel setting that molten bath (2), concise pond (3) and thermal insulation pool (4) are connected is in the bottom of molten bath (2), concise pond (3) and thermal insulation pool (4), and molten bath (2) top arranges upper cover (26), two salt cores baking storehouse (11) are arranged at molten bath (2) rear portion, upper cover (26) top, the flue a(12 of salt core baking storehouse (11) by arranging in upper cover (26)) be communicated with molten bath (2), salt core baking storehouse (11) front upper place arranges edge circle baking storehouse (10), flue b(13 is passed through with salt core baking storehouse (11) front end in the bottom of edge circle baking storehouse (10)) be communicated with, in edge circle baking storehouse (10), thermopair b(14 is set), edge circle baking storehouse (10) upper end arranges flue c(15) be in communication with the outside, edge circle soaks top, aluminium pond (17) and arranges flue d(18) be communicated with the bottom that edge circle toasts storehouse (10), upper cover (26) before body of heater above arranges the skimming gate (5) being provided with fire door (6) be communicated with molten bath (2), skimming gate (5) both sides arrange the liquid adding hole (7) and burner a(8 that are communicated with molten bath (2)), body of heater (1) rear portion arranges the thermopair a(9 reached in molten bath (2)).
2. Casting Aluminum Piston Sweet natural gas holding furnace according to claim 1, is characterized in that: concise pond (3), thermal insulation pool (4) and edge circle leaching aluminium pond (17) all arrange two, are arranged symmetrically in molten bath (2) both sides.
3. Casting Aluminum Piston Sweet natural gas holding furnace according to claim 1, is characterized in that: edge circle baking storehouse (10) arranges storehouse lid a(10-1 below), edge coil (10-2) is set in storehouse; Salt core baking storehouse (11) arranges storehouse lid b(11-1 below), rotating pallet (11-2) is set in storehouse.
4. Casting Aluminum Piston Sweet natural gas holding furnace according to claim 1, is characterized in that: flue c(15) and flue d(18) in air door (19) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416879.8A CN104232934B (en) | 2014-08-22 | 2014-08-22 | Casting Aluminum Piston Sweet natural gas holding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416879.8A CN104232934B (en) | 2014-08-22 | 2014-08-22 | Casting Aluminum Piston Sweet natural gas holding furnace |
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| Publication Number | Publication Date |
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| CN104232934A true CN104232934A (en) | 2014-12-24 |
| CN104232934B CN104232934B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410416879.8A Expired - Fee Related CN104232934B (en) | 2014-08-22 | 2014-08-22 | Casting Aluminum Piston Sweet natural gas holding furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728684A (en) * | 2016-03-25 | 2016-07-06 | 湖南中特液力传动机械有限公司 | Preheating method and application for hydraulic coupler all-metal mold |
| CN105798254A (en) * | 2016-03-25 | 2016-07-27 | 湖南中特液力传动机械有限公司 | Fluid coupling workpiece and production method |
| CN107377914A (en) * | 2017-08-04 | 2017-11-24 | 江西金世纪特种焊接材料有限公司 | A kind of Welded material melting continuous casting installation for casting |
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| CN2114522U (en) * | 1991-12-04 | 1992-09-02 | 山东活塞厂 | Tilting type aluminium piston automatic casting machine |
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| WO2013093352A2 (en) * | 2011-12-23 | 2013-06-27 | Snecma | Method of manufacturing a ceramic core for a blade, ceramic core and blade |
| CN203559086U (en) * | 2013-11-26 | 2014-04-23 | 曲阜金皇活塞股份有限公司 | Aluminum alloy ring piston device |
| CN103820752A (en) * | 2014-01-20 | 2014-05-28 | 湖北汽车工业学院 | Activating and alumetizing technology for piston with cast iron inlaid ring and activating process equipment thereof |
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2014
- 2014-08-22 CN CN201410416879.8A patent/CN104232934B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114522U (en) * | 1991-12-04 | 1992-09-02 | 山东活塞厂 | Tilting type aluminium piston automatic casting machine |
| JPH07150268A (en) * | 1993-11-29 | 1995-06-13 | Miyamoto Kogyosho:Kk | Melting furnace for aluminum waste material |
| CN101564764A (en) * | 2009-05-25 | 2009-10-28 | 山东滨州渤海活塞股份有限公司 | Automatic tilting casting machine for aluminum piston with internally cooled ring |
| WO2013093352A2 (en) * | 2011-12-23 | 2013-06-27 | Snecma | Method of manufacturing a ceramic core for a blade, ceramic core and blade |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728684A (en) * | 2016-03-25 | 2016-07-06 | 湖南中特液力传动机械有限公司 | Preheating method and application for hydraulic coupler all-metal mold |
| CN105798254A (en) * | 2016-03-25 | 2016-07-27 | 湖南中特液力传动机械有限公司 | Fluid coupling workpiece and production method |
| CN105798254B (en) * | 2016-03-25 | 2017-11-24 | 湖南中特液力传动机械有限公司 | Fluid-flywheel clutch workpiece and production method |
| CN107377914A (en) * | 2017-08-04 | 2017-11-24 | 江西金世纪特种焊接材料有限公司 | A kind of Welded material melting continuous casting installation for casting |
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| Publication number | Publication date |
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| CN104232934B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20180822 |