CN104988324A - Heat dissipating and cooling method for slag pressing head - Google Patents
Heat dissipating and cooling method for slag pressing head Download PDFInfo
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- CN104988324A CN104988324A CN201510320962.XA CN201510320962A CN104988324A CN 104988324 A CN104988324 A CN 104988324A CN 201510320962 A CN201510320962 A CN 201510320962A CN 104988324 A CN104988324 A CN 104988324A
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Abstract
The invention discloses a heat dissipating and cooling method for a slag pressing head. The method comprises the steps that S1, after hot aluminum furnace slag enters a slag box, a control system is started, the slag pressing head is pushed by a hydraulic oil cylinder to descend, a slag pressing head pressing plate presses aluminum slag in the slag box, and meanwhile a slag pressing head cooling mechanism is started to carry out forced cooling on the aluminum slag; and S2, a centrifugal fan in the slag pressing head cooling mechanism blows water mist mixed by water and air to the slag pressing head, water steam is formed by the hot aluminum furnace slag under the high temperature environment, and the water steam and heat are jointly exhausted out of the slag pressing head, wherein the volume ratio of water to air in the water mist mixed by the water and gas is 1:200-1:2000. The water mist is adopted to serve as a cooling medium, the cooling effect is good, and within the range of the volume ratio of the water to the air, the refrigerating capacity is more than 10 times that in the equal-quantity water cooling manner; and the cooling speed is high, the aluminum slag can be rapidly and forcedly cooled, and the phenomenon that molten aluminum in the aluminum slag is oxidized is effectively slowed down.
Description
Technical field
The invention belongs to smelting field of nonferrous metal, relate to a kind of method of cooling, relate in particular to a kind of pressure slag head heat radiation and method of cooling.
Background technology
Al and Alalloy smelting, heavily refine and useless assorted aluminium regeneration process in, the generation of slag is inevitable, content is generally the 0.5-10% of aluminium output, and along with the increasing of primary aluminum consumption and the increase day by day of secondary aluminum output, slag amount is also increasing year by year.Past, people as a kind of waste material, seldom had producer can be interested in reclaiming aluminium from thermal circuit graph aluminium slag when aluminum metal price is very low.Simultaneously environmental consciousness is also more weak, also thinks little of a large amount of dust produced of aluminium slag and smog.Since the seventies starts, along with the lifting of aluminum metal price and the continuous enhancing of people's environmental consciousness, aluminum metal industry member starts the problem focusing on reclaiming aluminium from thermal circuit graph.
The aluminium Slag treatment of current China is generally thermal circuit graph paving is fallen apart on the ground or is placed in case let alone cooling, then carry out artificial choosing to black furnace slag to pick and sub-sieve, use crucible oven and reverberatory smelting, labour intensity is large, working space dust, smog are many, and environmental pollution is also larger.External aluminium slag treatment process mainly contains IGDC method, the MCM method of improvement, plasma body fast thawing method and extrusion process, aforesaid method is cooling heat slag or can reclaim aluminium at short notice, good work environment in nonoxidizing atmosphere all, and level of automation is high, without salt flux, environmental sound.In above-mentioned four kinds of methods, the metal liquid that IGDC method flows out is few, and need carry out secondary treatment to cooled slag, and cooling time is long, argon gas cost is high; The MRM method improved and plasma body fast thawing method equipment complexity, maintenance difficult, complicated operation, investment are large, relative to above three kinds of methods, extrusion process has good economy, the method is specially, thermal circuit graph is loaded in container, then from top applying static pressure or velocity pressure, molten aluminum is squeezed out.
In thermal circuit graph treatment facility, pressure slag head is a kind of key part, most of heat of slag can be taken away by the heat-eliminating medium of its inside, because of metal high temperature is prevented to be oxidized, the loose hot and cold pole measure of pressure slag head is very important, directly affect aluminium at high temperature whether can be oxidized, finally affect the rate of recovery of aluminium.In order to simple to operate, ensure reliability and the security of equipment simultaneously, require that pressure slag head possesses the function of quick heat radiating and cooling.
Summary of the invention
Technical problem to be solved by this invention is that existing thermal circuit graph treatment process equipment complexity, maintenance difficult, processing cost are high, thus propose a kind of equip simple, be easy to maintenance, with low cost and possess quick heat radiating, the pressure slag head of refrigerating function dispels the heat and method of cooling.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The invention provides a kind of pressure slag head heat radiation and method of cooling, comprise the steps:
S1, thermal circuit graph enter after in slag case, start Controlling System, and pressure slag head declines and to suppress the aluminium slag in slag case under the promotion of hydraulic ram, start pressure slag head cooling body simultaneously and carry out to hot aluminium slag pressures and cool;
The water smoke of gas-vapor mix is blown into described pressure slag head by the centrifugal blower in S2, described pressure slag head cooling body, discharge described pressure slag head through overvoltage slag head cooling mechanism together with heat form water vapour under the hot environment that thermal circuit graph produces after, in the water smoke of wherein said gas-vapor mix, the volume ratio of water and air is 1:200-1:2000.
As preferably, described pressure slag head comprises pressure slag head casing, pressure slag head pressing plate, pressure slag head cooling mechanism and pressure slag head cooling body, and the outside bottom surface of described pressure slag head casing is provided with pressure slag head gusset.
As preferably, described pressure slag head cooling body is water smoke cooling body, comprises a blast pipe and an air outlet tube, and described blast pipe one end connects the centrifugal blower the other end and is communicated with a water smoke tube inlet, and described air outlet tube is used for water vapour to discharge; Described blast pipe and air outlet tube are all connected to the switching bucket that described pressure slag head pressing plate is arranged.
As preferably, described water smoke pipe connects a water fog generator.
As preferably, described pressure slag head cooling mechanism comprises inverted T shape erecting frame, and the side of described inverted T shape erecting frame is connected with mounting plate, and described mounting plate plate face is provided with crisscross some group aluminum alloy radiating fins, and described mounting plate two ends are provided with end plate.
As preferably, be made up of bottom described inverted T shape erecting frame the first iron plate and the first copper coin that are screwed connection, described first iron plate is welded in described pressure slag head box house bottom surface; Described end plate is made up of the second iron plate and the second copper coin being screwed connection, and described second iron plate is welded in described pressure slag head box inside wall.
As preferably, described mounting plate is the copper coin vertically arranged.
As preferably, the assemble method of described pressure slag head cooling mechanism is: described first iron plate and the first copper coin, the second iron plate and the second copper coin are matched and holed by (1) respectively, and are screwed; (2) described first iron plate after combination and described first copper coin are bent according to described pressure slag head tank floor shape, then respectively described first iron plate and described second iron plate are welded in bottom and the sidewall of slag case head box inside; (3) at the mounting plate of described first copper coin side welding vertical direction; (4) aluminium alloy radiating fin is connected to described mounting plate by screw.
As preferably, described pressure slag head pressing plate adopts heat-resisting steel sheet and plate material, is made up of cylinder head cover, switching bucket and hanger.
As preferably, described switching bucket is arranged at the two ends on described pressure slag head pressing plate length direction.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) one pressure slag provided by the present invention head heat radiation and method of cooling, comprise the steps: S1, thermal circuit graph enters after in slag case, start Controlling System, pressure slag head declines under the promotion of hydraulic ram, pressure slag head pressing plate is suppressed the aluminium slag in slag case, starts pressure slag head cooling body simultaneously and carries out pressure cooling to aluminium slag; The water smoke of gas-vapor mix is blown into pressure slag head by the centrifugal blower in S2, pressure slag head cooling body, discharge pressure slag head through overvoltage slag head cooling mechanism together with heat form water vapour under the hot environment that thermal circuit graph produces after, in the water smoke of wherein gas-vapor mix, the volume ratio of water and air is 1:200-1:2000.The present invention adopts water smoke as heat-eliminating medium, good cooling results, and in this water and air volume range, refrigeration capacity is more than 10 times of equivalent water-cooling pattern, speed of cooling is fast, and aluminium slag can be forced fast to cool, and the aluminium liquid that effectively prevent in aluminium slag is oxidized.
(2) pressure slag head heat radiation provided by the present invention and method of cooling, pressure slag head bottom half is provided with pressure slag head gusset, increase cooling surface, aluminium slag can be carried out subregion compacting simultaneously, be convenient to subsequent disposal, and the effect of pressure transmission can be played, larger pressure is provided, improves the rate of recovery of aluminium.
(3) pressure slag head heat radiation provided by the present invention and method of cooling, pressure slag head cooling mechanism comprises inverted T shape erecting frame, the side of inverted T shape erecting frame is connected with mounting plate, and mounting plate is provided with crisscross some group aluminum alloy radiating fins, mounting plate two ends are provided with end plate.The radiation fin structure of cooling mechanism further increases area of dissipation, thus significantly improve radiating efficiency, and the radian of the first iron plate 411 and the first copper coin 412 and pressure slag head casing 2 bottom surface is completely the same, improve the contact area of directly heat conduction between pressure slag head 1 inner chamber and pressure slag head cooling mechanism 4, further improve radiating efficiency, whole process of cooling can complete for about 15 minutes, and comparatively prior art has had large increase.
(4) pressure slag head heat radiation of the present invention and method of cooling, switching bucket is arranged at the two ends on pressure slag head pressing plate length direction, can make the residence time sufficiently long of cold mist in pressure slag head entered in pressure slag head, abundant cooling heat aluminium slag.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is that pressure slag head of the present invention dispels the heat and presses the Split type structure schematic diagram of slag head in method of cooling;
Fig. 2 is that pressure slag head of the present invention dispels the heat and presses the schematic perspective view of slag head in method of cooling;
Fig. 3 is that pressure slag head of the present invention dispels the heat and process of cooling schematic diagram in method of cooling;
Fig. 4 is that pressure slag head of the present invention dispels the heat and presses the schematic diagram of slag head cooling mechanism in method of cooling.
In figure, Reference numeral is expressed as: 1-presses slag head; 2-presses slag head casing; 21-presses slag head gusset; 3-presses slag head pressing plate; 31-cylinder head cover; 32-transfers bucket; 33-hanger; 4-presses slag head cooling mechanism; 41-erecting frame; 42-mounting plate; 43-radiating fin; 44-end plate; 411-first iron plate; 412-first copper coin; 441-second iron plate; 442-second copper coin; 5-presses slag head cooling body; 51-blast pipe; 52-air outlet tube; 53-centrifugal blower; 6-slag case; 7-hydraulic ram.
Embodiment
Embodiment
Present embodiments provide a kind of pressure slag head heat radiation and method of cooling, as shown in Figure 3, comprise the steps:
S1, thermal circuit graph enter after in slag case 6, start Controlling System, and pressure slag head 1 declines and to suppress the aluminium slag in slag case 6 under the promotion of hydraulic ram 7, start pressure slag head cooling body 5 simultaneously and carry out to hot aluminium slag pressures and cool;
The water smoke of gas-vapor mix is blown into described pressure slag head 1 by the centrifugal blower 53 in S2, described pressure slag head cooling body 5, dispel the heat through overvoltage slag head cooling mechanism form water vapour under the hot environment that thermal circuit graph produces after, described pressure slag head 1 is discharged together with most of heat, in the water smoke of wherein said gas-vapor mix, the volume ratio of water and air is 1:200-1:2000, and the present embodiment is preferably 1:300.
The present embodiment adopts water smoke as heat-eliminating medium, good cooling results, and under this water and air volume ratio, its refrigeration capacity can reach more than 10 times of equivalent water-cooling pattern.
In present method, described pressure slag head 1 comprises pressure slag head casing 2, pressure slag head pressing plate 3, pressure slag head cooling mechanism 44 and pressure slag head cooling body 5, pressure slag head gusset 21 is provided with bottom described pressure slag head casing 2, which increase cooling surface, aluminium slag can be carried out subregion compacting simultaneously, be convenient to subsequent disposal, and the effect of pressure transmission can be played, larger pressure is provided, improves the rate of recovery of aluminium.
Wherein, described pressure slag head cooling body 5 is water smoke cooling body, it comprises blast pipe 51 and an air outlet tube 52, described blast pipe 51 one end connects the entrance that centrifugal blower 53 the other end is communicated with a water smoke pipe, described water smoke pipe connects a water fog generator, forms water smoke for making water by pressurized air jet flow; Described air outlet tube 52 is for discharging the water vapour formed under hot environment and the most of heat taken out of; Described blast pipe 51 and air outlet tube 52 are all connected to the switching bucket 32 that described pressure slag head pressing plate 3 is arranged, described pressure slag head pressing plate 3 adopts heat-resisting steel sheet and plate material, it is also provided with cylinder head cover 31 and hanger 33, described cylinder head cover 31 is connected with described hydraulic ram 7, and described switching bucket 32 is arranged at the two ends on described pressure slag head pressing plate 3 length direction.
Described pressure slag head cooling mechanism 4 comprises inverted T shape erecting frame 41, the side of described inverted T shape erecting frame 41 is connected with mounting plate 42, described mounting plate 42 is the copper coin vertically arranged, mounting plate 42 is provided with crisscross some group aluminum alloy radiating fins 43, the present embodiment is preferably laterally 5 groups, longitudinally 4 groups, longitudinal radiating fin is arranged at intervals between heatsink transverse fin; The two ends of described mounting plate 42 are provided with end plate 44.
Particularly, be made up of the first iron plate 411 and the first copper coin 422 that are screwed connection bottom described inverted T shape erecting frame 41, described first iron plate 411 is welded in described pressure slag head casing 2 inner bottom part; Described end plate 44 is made up of the second iron plate 441 and the second copper coin 442 being screwed connection, and described second iron plate 441 is welded in described pressure slag head casing 2 inner side-wall.
Further, the assemble method of described pressure slag head cooling mechanism 4 is: described first iron plate 411 and the first copper coin 412, second iron plate 441 and the second copper coin 442 are matched and holed by (1) respectively, and are screwed; (2) described first iron plate 411 after combination is bent according to the shape of described pressure slag head casing 2 bottom surface with described first copper coin 412, then respectively described first iron plate 411 and described second iron plate 441 are welded in the bottom inside slag case head casing 2 and sidewall; (3) at the mounting plate 42 of described first copper coin 412 side welding vertical direction; (4) aluminium alloy radiating fin 43 is connected to described mounting plate 42 by screw.
Radiating fin 43 structure of the pressure slag head cooling mechanism 4 that the present embodiment provides further increases area of dissipation, thus significantly improve radiating efficiency, and the radian of the first iron plate 411 and the first copper coin 412 and pressure slag head casing 2 bottom surface is completely the same, improve the contact area of directly heat conduction between pressure slag head 1 inner chamber and pressure slag head cooling mechanism 4, further improve radiating efficiency, whole process of cooling can be completed for about 15 minutes, and comparatively prior art has had large increase.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. press the heat radiation of slag head and a method of cooling, it is characterized in that, comprise the steps:
S1, thermal circuit graph enter after in slag case, start Controlling System, and pressure slag head declines and to suppress the aluminium slag in slag case under the promotion of hydraulic ram, start pressure slag head cooling body simultaneously and carry out to hot aluminium slag pressures and cool;
The water smoke of gas-vapor mix is blown into described pressure slag head by the centrifugal blower in S2, described pressure slag head cooling body, discharge described pressure slag head through overvoltage slag head cooling mechanism together with heat after water smoke forms water vapour under the hot environment that thermal circuit graph produces, in the water smoke of wherein said gas-vapor mix, the volume ratio of water and air is 1:200-1:2000.
2. pressure slag head heat radiation according to claim 1 and method of cooling, it is characterized in that, described pressure slag head comprises pressure slag head casing, pressure slag head pressing plate, pressure slag head cooling mechanism and pressure slag head cooling body, and the outside bottom surface of described pressure slag head casing is provided with pressure slag head gusset.
3. pressure slag head heat radiation according to claim 2 and method of cooling, it is characterized in that, described pressure slag head cooling body is water smoke cooling body, comprise a blast pipe and an air outlet tube, described blast pipe one end connects the centrifugal blower the other end and is communicated with a water smoke tube inlet, and described air outlet tube is used for water vapour to discharge; Described blast pipe and air outlet tube are all connected to the switching bucket that described pressure slag head pressing plate is arranged.
4. pressure slag head heat radiation according to claim 3 and method of cooling, it is characterized in that, described water smoke pipe connects a water fog generator.
5. pressure slag head heat radiation according to claim 4 and method of cooling, it is characterized in that, described pressure slag head cooling mechanism comprises inverted T shape erecting frame, the side of described inverted T shape erecting frame is connected with mounting plate, described mounting plate plate face is provided with crisscross some group aluminum alloy radiating fins, and described mounting plate two ends are provided with end plate.
6. pressure slag head heat radiation according to claim 5 and method of cooling, it is characterized in that, be made up of bottom described inverted T shape erecting frame the first iron plate and the first copper coin that are screwed connection, described first iron plate is welded in described pressure slag head box house bottom surface; Described end plate is made up of the second iron plate and the second copper coin being screwed connection, and described second iron plate is welded in described pressure slag head box inside wall.
7. the pressure slag head heat radiation according to claim 5 or 6 and method of cooling, is characterized in that, described mounting plate is the copper coin vertically arranged.
8. pressure slag head heat radiation according to claim 7 and method of cooling, it is characterized in that, the assemble method of described pressure slag head cooling mechanism is: described first iron plate and the first copper coin, the second iron plate and the second copper coin are matched and holed by (1) respectively, and are screwed; (2) described first iron plate after combination and described first copper coin are bent according to described pressure slag head tank floor shape, then respectively described first iron plate and described second iron plate are welded in bottom and the sidewall of slag case head box inside; (3) at the mounting plate of described first copper coin side welding vertical direction; (4) aluminium alloy radiating fin is connected to described mounting plate by screw.
9. pressure slag head heat radiation according to claim 8 and method of cooling, it is characterized in that, described pressure slag head pressing plate adopts heat-resisting steel sheet and plate material, and it is made up of cylinder head cover, switching bucket and hanger.
10. pressure slag head heat radiation according to claim 9 and method of cooling, it is characterized in that, described switching bucket is arranged at the two ends on described pressure slag head pressing plate length direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510320962.XA CN104988324B (en) | 2015-06-11 | 2015-06-11 | One kind pressure slag head radiating and cooling means |
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| CN201510320962.XA CN104988324B (en) | 2015-06-11 | 2015-06-11 | One kind pressure slag head radiating and cooling means |
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| CN104988324A true CN104988324A (en) | 2015-10-21 |
| CN104988324B CN104988324B (en) | 2017-10-03 |
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Cited By (5)
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| CN108220611A (en) * | 2018-01-26 | 2018-06-29 | 山东创新金属科技有限公司 | A kind of aluminium slag reclaimer and aluminium slag recovery process |
| CN110923463A (en) * | 2019-12-04 | 2020-03-27 | 长沙恩科新材料技术有限公司 | Aluminum containing basin, hot aluminum slag treatment equipment and hot aluminum slag treatment method |
| CN111503555A (en) * | 2020-04-13 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Road lamp |
| CN113578995A (en) * | 2021-08-09 | 2021-11-02 | 安徽华深铝业有限公司 | Circulating air supply device for producing aluminum profiles |
| CN116653333A (en) * | 2022-12-05 | 2023-08-29 | 徐州云天高分子材料技术研究院有限公司 | Material compression molding device for new material development |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108220611A (en) * | 2018-01-26 | 2018-06-29 | 山东创新金属科技有限公司 | A kind of aluminium slag reclaimer and aluminium slag recovery process |
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| CN110923463A (en) * | 2019-12-04 | 2020-03-27 | 长沙恩科新材料技术有限公司 | Aluminum containing basin, hot aluminum slag treatment equipment and hot aluminum slag treatment method |
| CN111503555A (en) * | 2020-04-13 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Road lamp |
| CN113578995A (en) * | 2021-08-09 | 2021-11-02 | 安徽华深铝业有限公司 | Circulating air supply device for producing aluminum profiles |
| CN116653333A (en) * | 2022-12-05 | 2023-08-29 | 徐州云天高分子材料技术研究院有限公司 | Material compression molding device for new material development |
| CN116653333B (en) * | 2022-12-05 | 2024-01-23 | 徐州云天高分子材料技术研究院有限公司 | Material compression molding device for new material development |
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