CN104194645B - For removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired - Google Patents
For removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired Download PDFInfo
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- CN104194645B CN104194645B CN201410385964.2A CN201410385964A CN104194645B CN 104194645 B CN104194645 B CN 104194645B CN 201410385964 A CN201410385964 A CN 201410385964A CN 104194645 B CN104194645 B CN 104194645B
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Abstract
The invention provides a kind of for removing clear mould cake and the preparation and application thereof of the residual aluminium of mould, comprise raw material by weight: filler 5-15 part, kollag 5-15 part, water-soluble material 40-70 part, reinforcing agent 1-5 part, by raw material is dried respectively, is pulverized, then compressing after mixing by proportioning, make finally by baking; While adopting clear mould cake to remove in mould residual aluminium, first clear mould cake is placed in to the top of mould residual aluminium to be removed, then mould is added to gentle pressurization, control temperature 450-500 DEG C, pressure 1000-1200MPa, make mould cake clearly that residual aluminium is replaced out, reusable heat water soaking or cleaning die, can remove the clear mould cake of staying in mould. Adopt clear mould cake provided by the invention can effectively remove the residual aluminium in mould; And the residual aluminium of removing can recycle, clear mould cake is also convenient to be removed and reclaims.
Description
Technical field
The invention belongs to environmental project and material engineering field, relate to and be specially a kind ofly for removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired, be particularly suitable for the removal of residual aluminium in the tap hole of aluminium section bar compacting tool set to be repaired.
Background technology
Due to the needs that needs and the mold repair to be repaired of profile structure and size are safeguarded, can regular or irregular more mold exchange in aluminium section bar pressing process. Normal residual hundreds of grams to thousands of grams residual aluminium in the mould to be repaired changing, conventional way is that the sodium hydroxide solution that mould to be repaired is put into high concentration boils, and utilizes caustic soda to react generation sodium metaaluminate with metallic aluminium metallic aluminium is removed from mold diversion to be repaired hole. This method has three kinds of disadvantages, and the one, to consume every year a large amount of NaOH and react with the metallic aluminium in mold diversion to be repaired hole, produce a large amount of waste water and waste residue; The 2nd, this processing method slatterns expensive metallic aluminium to have increased greatly aluminium section bar production cost with a large amount of consumption of chemical method; The 3rd, mould to be repaired, boiling with soda bath in the process of kish aluminium in digestion mould, is filling the air a large amount of pungent alkali mist particles that are difficult to breathing around, working environment very severe.
Summary of the invention
The object of the invention is for above problem, provide a kind of for removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired, adopt this clear mould cake can effectively remove the residual aluminium in mould to be repaired; And the residual aluminium of removing can recycle, the clear mould cake in tap hole is also convenient to be removed and reclaims.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is, provide a kind of for removing the clear mould cake of the residual aluminium of mould to be repaired, comprise raw material by weight: filler 5-15 part, kollag 5-15 part, water-soluble material 40-70 part, reinforcing agent 1-5 part, by raw material is dried respectively, is pulverized, then compressing after mixing by proportioning, make finally by baking; Described raw material can tolerate the temperature of 450-500 DEG C.
In preferred scheme, this clear mould cake is made by the raw material by following weighing scale: 15 parts of fillers, 15 parts of kollags, 69 parts of water-soluble materials, 1 part of reinforcing agent.
Described filler is clay or talcum powder. Use by filler can be convenient to the moulding of mould cake clearly on the one hand; In addition, also can effectively reduce costs.
Described kollag is graphite or molybdenum bisuphide, and it is the high temperature resistant kollag that character is good, makes mould cake clearly under HTHP, can have suitable creep flowage performance.
Described water-soluble material is sodium chloride or sodium carbonate. Adopt the object of water-soluble material to be that mould cake can be removed by hot water after using clearly, very convenient.
Described reinforcing agent is glass fibre or mineral wool fiber, plays the effect of reinforcement material microstrength. Coordinate kollag by reinforcing agent, can adjust clear mould cake suitable creep flowage performance under HTHP.
Prepare the method for above-mentioned clear mould cake, concrete steps are: all raw materials, respectively at the 200-250 DEG C of dry 4-8 hour that processes, are then crushed to 100-300 order, mix, then under the pressure of 200-400MPa, be pressed into cylindric according to described proportioning; Finally take out the cooling mould cake clearly that obtains at 300-350 DEG C after smoking 2-4 hour.
The clear mould cake obtaining preferably can adopt vacuum packaging, avoids moisture regain.
Further, the material mixing is compressed to when cylindric, the diameter of this cylinder is 70-350mm, is highly 100-450mm.
The invention still further relates to described clear mould cake in the application of removing residual aluminium in mould to be repaired.
Using method while adopting above-mentioned clear mould cake to remove residual aluminium in mould to be repaired: in the time being about to change mould to be repaired, clear mould cake is replaced to the aluminium bar using to be placed in aluminum section extruder and to carry out normal extrusion operation, clear mould cake and mould control temperature to be repaired are at 450 DEG C-500 DEG C, pressure is controlled at 1000-1200MPa, make mould cake clearly that residual aluminium is replaced out, with 60-90 DEG C of hot-water soak or rinse mould to be repaired, can remove the clear mould cake of staying in mould to be repaired again.
The beneficial effect that the present invention has:
1) adopt clear mould cake provided by the invention, can effectively remove shape and suppress the kish in mould to be repaired, particularly residual aluminium in aluminium section bar compacting tool set, and also it is simple to remove technique.
2) the residual aluminium that adopts clear mould cake to remove can be recycled, and collecting residual aluminium can be become aluminium ingot to reuse by pouring hall again founding, effectively reduces costs.
3) because having added in formula, clear mould cake adopted resistant to elevated temperatures water-soluble material, can directly remove by hot water after use, and very convenient, do not have any residual; In addition, the material not being dissolved in hot water can be prepared clear mould cake after filtration and after dry again, has reduced the generation of waste residue, can also improve working environment severe in traditional handicraft, avoids the generation of a large amount of pungent alkali mist particles.
Detailed description of the invention
Further illustrate the present invention below in conjunction with embodiment, but the scope of protection of present invention is not limited to the scope of embodiment statement.
Embodiment 1:
Get 69 kilograms, sodium chloride, 10 kilograms of clays, 5 kilograms of talcum powder, 10 kilograms, graphite, 5 kilograms of molybdenum bisuphide, 1 kilogram of glass fiber powder, above-mentioned material through 200 DEG C dry process 4 hours after co-grinding to 100 orders; Get the above-mentioned material mixing and join in the mould of 90mm diameter, be pressed into 90mm diameter and cylindric for 200mm highly through 200MPa pressure; Then put 300 DEG C and smoke 4 hours, cooling final vacuum film packaging, obtains mould cake clearly.
Embodiment 2:
Get 40 kilograms, sodium chloride, 27 kilograms, sodium carbonate, 12 kilograms of clays, 5 kilograms of talcum powder, 10 kilograms, graphite, 5 kilograms of molybdenum bisuphide, 1 kilogram, mineral wool fiber powder, above-mentioned material through 200 DEG C dry process 6 hours after co-grinding to 200 orders; Get the above-mentioned material mixing and join in the mould of 120mm diameter, be pressed into 120mm diameter and highly for the present invention of 200mm is for clear mould cake through 250MPa pressure; Then put 350 DEG C and smoke 2 hours, cooling final vacuum film packaging, can be used in alternative techniques operation;
Embodiment 3:
Get 69 kilograms, sodium chloride, 10 kilograms of clays, 5 kilograms of talcum powder, 15 kilograms, graphite, 1 kilogram of glass fiber powder, above-mentioned material through 200 DEG C dry process 8 hours after co-grinding to 300 orders; Get the above-mentioned material mixing and join in the mould of 70mm diameter, be pressed into 70mm diameter and highly for the present invention of 350mm substitutes briquetting through 400MPa pressure; Then put 330 DEG C and smoke 3 hours, the cooling mould cake clearly that obtains.
Embodiment 4:
Get clay 15kg, graphite 15kg, sodium carbonate 70kg, glass fibre 1kg, then by above-mentioned raw materials dry, pulverizing respectively, then is pressed into pie after mixing, and finally by cooling after 300 DEG C of baking 2h, obtains mould cake clearly.
Embodiment 5:
Get talcum powder 10kg, sodium chloride 50kg, molybdenum bisuphide 8kg, mineral wool 3kg, by above-mentioned material through 250 DEG C dry process 5 hours after co-grinding to 300 orders; Get the above-mentioned material mixing and join in the mould of 150mm diameter, be pressed into 150mm diameter and cylindric for 300mm highly through 300MPa pressure; Finally be placed in 330 DEG C and smoke 3 hours, the cooling mould cake clearly that obtains.
Embodiment 6:
Get talcum powder 10kg, clay 3kg, sodium chloride 50kg, molybdenum bisuphide 8kg, mineral wool 1kg, glass fibre 1kg, by above-mentioned material through 240 DEG C dry process 7 hours after co-grinding to 230 orders; Get the above-mentioned material mixing and join in the mould of 120mm diameter, be pressed into 120mm diameter and cylindric for 450mm highly through 300MPa pressure; Finally be placed in 310 DEG C and smoke 4 hours, the cooling mould cake clearly that obtains.
Use clear mould cake to remove residual aluminium in mould to be repaired, be selected in opportunity while being about to change mould to be repaired. Clear mould cake is replaced to the aluminium bar using to be placed in aluminum section extruder and to carry out normal extrusion operation, clear mould cake and mould control temperature to be repaired are at 450 DEG C-500 DEG C, pressure is controlled at 1000-1200MPa, make mould cake clearly that residual aluminium is replaced out, with 60 DEG C of above hot-water soaks or flushing mould, can remove the clear mould cake of staying in mould to be repaired again.
Formula in above embodiment and proportioning are only for further illustrating the present invention; protection scope of the present invention is not limited to the numerical value proportioning in embodiment; clear mould cake provided by the invention also can be used for replacing other shapes and suppresses the kish in mould to be repaired in addition, is not limited to the residual aluminium of removing in aluminium section bar compacting tool set.
Claims (6)
1. one kind for removing the clear mould cake of the residual aluminium of mould to be repaired, it is characterized in that, comprise raw material by weight: filler 5-15 part, kollag 5-15 part, water-soluble material 40-70 part, reinforcing agent 1-5 part, by raw material is dried respectively, is pulverized, then compressing after mixing by proportioning, make finally by baking; Described raw material can tolerate the temperature of 450-500 DEG C;
Described kollag is graphite and/or molybdenum bisuphide; Described water-soluble material is sodium chloride and/or sodium carbonate;
Described filler is clay and/or talcum powder;
Described reinforcing agent is glass fibre and/or mineral wool fiber.
2. according to claim 1 for removing the clear mould cake of the residual aluminium of mould to be repaired, it is characterized in that: made by the raw material by following weighing scale: 15 parts of fillers, 15 parts of kollags, 69 parts of water-soluble materials, 1 part of reinforcing agent.
3. the method for the clear mould cake described in one of preparation claim 1-2, it is characterized in that, concrete steps are: all raw materials are dried and process 4-8 hour at 200-250 DEG C respectively, then be crushed to 100-300 order, mix according to described proportioning, then under the pressure of 200-400MPa, be pressed into cylindric; Finally take out the cooling mould cake clearly that obtains at 300-350 DEG C after smoking 2-4 hour.
4. the preparation method of clear mould cake according to claim 3, is characterized in that: the material mixing is compressed to when cylindric, and the diameter of this cylinder is 70-350mm, is highly 100-450mm.
5. according to the application of the residual aluminium in removal mould to be repaired of the clear mould cake one of claim 1-4 Suo Shu.
6. adopt the described clear mould cake of one of claim 1-4 to remove the using method of residual aluminium in mould to be repaired, it is characterized in that: clear mould cake is replaced to the aluminium bar using and be placed in aluminum section extruder and carry out normal extrusion operation, clear mould cake and mold integral control temperature are at 450 DEG C-500 DEG C, pressure is controlled at 1000-1200MPa, make mould cake clearly that residual aluminium in mould to be repaired is replaced out, with hot-water soak or the flushing mould of 60-90 DEG C, can remove the clear mould cake of staying in mould again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410385964.2A CN104194645B (en) | 2014-08-07 | 2014-08-07 | For removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired |
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| CN201410385964.2A CN104194645B (en) | 2014-08-07 | 2014-08-07 | For removing clear mould cake and the preparation and application thereof of the residual aluminium of mould to be repaired |
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| CN104194645B true CN104194645B (en) | 2016-05-11 |
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| CN108273861B (en) * | 2018-03-02 | 2024-03-29 | 三峡大学 | Clear mould cake pusher based on tilting mechanism |
| CN108480414A (en) * | 2018-03-02 | 2018-09-04 | 三峡大学 | Feed the transport device of cake automatically for clear mould cake |
| CN108500077A (en) * | 2018-03-02 | 2018-09-07 | 三峡大学 | A kind of method for pushing and device of unpowered clear mould cake |
| CN108393367A (en) * | 2018-03-02 | 2018-08-14 | 三峡大学 | A kind of method of pusher and the Extrusion Process of Aluminum Alloy Profile push of clear mould cake |
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| EP0842997A1 (en) * | 1996-11-14 | 1998-05-20 | Nissan Chemical Industries Ltd. | Polishing composition for aluminium disk and polishing process therewith |
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Effective date of registration: 20220602 Address after: 444100 group 7, Heyi village, Yuquan office, Dangyang city, Yichang City, Hubei Province Patentee after: Hubei haozhan Aluminum Co.,Ltd. Address before: 434111 Mashiji Town, Jiangling County, Jingzhou City, Hubei Province Patentee before: HUBEI DIMANTE TECHNOLOGY CO.,LTD. |
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