CN105420539A - Preparing method for novel ship propeller - Google Patents
Preparing method for novel ship propeller Download PDFInfo
- Publication number
- CN105420539A CN105420539A CN201510878256.7A CN201510878256A CN105420539A CN 105420539 A CN105420539 A CN 105420539A CN 201510878256 A CN201510878256 A CN 201510878256A CN 105420539 A CN105420539 A CN 105420539A
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- CN
- China
- Prior art keywords
- pure
- preparation
- controls
- marine propeller
- insulating covering
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a preparing method for a novel ship propeller. The preparing method comprises the following steps of a, material selection and preparing, b, smelting, c, casting, d, heat treatment and e, aftertreatment. The preparing method for the novel ship propeller is disclosed, the working procedure arrangement of the preparing method is reasonable, the preparing technology is simple and convenient, the implementation cost is proper, the manufactured propeller shows the good comprehensive performance, particularly, the corrosion resisting property is prominent, and in the relatively and seriously polluted sea area, the good using performance and the service life of the propeller can be kept.
Description
Technical field
The present invention relates to a kind of preparation method of ship propeller, particularly relate to a kind of high comprehensive performance, the preparation method of the exsertile Novel marine propeller of solidity to corrosion, belongs to marine propeller technical field.
Background technology
Marine propeller is the mechanism promoting boats and ships advance, and it is energy converter natural force, manpower or mechanical energy being converted to boats and ships thrust.Marine propeller can be divided into active and reaction formula two class by the mode of action, and the fibre relying on manpower or wind-force to drive ship to advance, sail are active thruster, and relying on oar, big shield, paddle wheel, water screw to drive, ship advances is reaction formula thruster.Modern ships that transport adopts reaction formula thruster mostly, is wherein most widely used with water screw.
For a long time, ship propeller material selects copper alloy mostly, wherein main based on nickelaluminium bronze material.Its major cause is: the good corrosion resistance of copper alloy, substantially can meet the service requirements of extra large water screw; Meanwhile, the fusing point of copper alloy is low, is convenient to melting and casting, and foundry goods does not need to heat-treat, and just can use through processing.But existing copper alloy is Shortcomings in one-tenth assignment system and preparation technology, obtained water screw, polluting in relatively serious marine site, shows the phenomenon of corrosion resistance nature deficiency, have impact on use properties and the life-span of water screw.
Summary of the invention
For the demand, the invention provides a kind of preparation method of Novel marine propeller, this preparation method's procedure arrangement is reasonable, and preparation technology is easy, obtained water screw shows good over-all properties, especially in the marine site that pollution is relatively serious, also can keep good corrosion resisting property.
The present invention is a kind of preparation method of Novel marine propeller, and this preparation method comprises the steps: that a) selection is got the raw materials ready, b) melting, c) casts, d) thermal treatment, e) aftertreatment.
In a preferred embodiment of the present invention, in described step a), raw material is made up of metal charge and auxiliary material, and metal charge comprises: fine aluminium, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and fine copper; Auxiliary material comprises insulating covering agent and refining agent, and charcoal selected by insulating covering agent, and refining agent selects sodium carbonate.
In a preferred embodiment of the present invention, in described step b), crucible for smelting stove selected by melting equipment, and fusion process is as follows: first, preheated crucible stove, and preheating temperature controls at about 600 DEG C; Then, add pure iron, pure nickel, pure manganese, pure chromium and fine copper, crucible oven heat-up rate controls at 5 DEG C-6 DEG C/s, and Control for Kiln Temperature is at 1500 DEG C-1550 DEG C; Then, add fine aluminium, pure zinc, pure molybdenum and pure tin successively, period uses graphite rod uniform stirring, alloy solution surface sprinkling insulating covering agent, and the gauge control of insulating covering agent is at 10-12mm; Finally, add refining agent, continue to stir 10-20 minute.
In a preferred embodiment of the present invention, in described step c), in casting cycle, the preheating temperature of mould controls at 650 DEG C-700 DEG C, and pouring speed controls at 2-2.5kg/min; After casting, foundry goods slow cooling in 200 DEG C of baking ovens, after taking out, air cooling is to room temperature.
In a preferred embodiment of the present invention, in described step d), first, spray is heated to 880 DEG C-900 DEG C, rate of heating controls at 10 DEG C-12 DEG C/min, is incubated and carries out the process of profit biliquid after 1-1.5 hour; Then, again heat spray to 380 DEG C-400 DEG C, be incubated air cooling after 2.5-3 hour.
Present invention is disclosed a kind of preparation method of Novel marine propeller, this preparation method's procedure arrangement is reasonable, preparation technology is easy, implementation cost is moderate, obtained water screw shows good comprehensive mechanical property, especially corrosion resisting property is given prominence to, and makes it in the marine site that pollution is relatively serious, also can keep good use properties and life-span.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of the preparation method of embodiment of the present invention Novel marine propeller.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of the preparation method of embodiment of the present invention Novel marine propeller; This preparation method comprises the steps: that a) selection is got the raw materials ready, b) melting, c) casts, d) thermal treatment, e) aftertreatment.
Embodiment 1
The concrete preparation process of the Novel marine propeller that the present invention mentions is as follows:
A) selection is got the raw materials ready, raw material is made up of metal charge and auxiliary material, metal charge comprises: fine aluminium, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and fine copper, its percentage composition proportioning is: Al9%, Fe4.5%, Zn0.04%, Ni5.5%, Mn2.5%, Mo0.02%, Sn0.03%, Cr3.5%, and surplus is Cu; Auxiliary material comprises insulating covering agent and refining agent, and its content is about 0.9% of metal charge total amount, and both ratios are about 5:1, and charcoal selected by insulating covering agent, and refining agent selects sodium carbonate;
B) melting, equipment choosing crucible for smelting stove, fusion process is as follows: first, preheated crucible stove, and preheating temperature controls at about 600 DEG C; Then, add pure iron, pure nickel, pure manganese, pure chromium and fine copper, crucible oven heat-up rate controls at 5 DEG C/s, and Control for Kiln Temperature is at 1500 DEG C-1520 DEG C; Then, add fine aluminium, pure zinc, pure molybdenum and pure tin successively, period uses graphite rod uniform stirring, alloy solution surface sprinkling insulating covering agent, and the gauge control of insulating covering agent is at 10-12mm; Finally, add refining agent, continue to stir 10-15 minute;
C) cast, metallic solution uses slag spoon to carry out except Slag treatment; In casting cycle, the preheating temperature of mould controls at 650 DEG C-660 DEG C, and pouring speed controls at 2-2.2kg/min; After casting, foundry goods slow cooling in 200 DEG C of baking ovens, after taking out, air cooling is to room temperature;
D) thermal treatment, first, is heated to 880 DEG C by spray, rate of heating controls at 10 DEG C/min, is incubated and carries out the process of profit biliquid after 1-1.5 hour; Then, again heat spray to 380 DEG C, be incubated air cooling after 2.5-3 hour;
E) aftertreatment, aftertreatment comprises the surface treatment, inspection after construction, japanning, storage etc. of foundry goods.
Embodiment 2
The concrete preparation process of the Novel marine propeller that the present invention mentions is as follows:
A) selection is got the raw materials ready, raw material is made up of metal charge and auxiliary material, metal charge comprises: fine aluminium, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and fine copper, its percentage composition proportioning is: Al10%, Fe5%, Zn0.03%%, Ni5.3%, Mn2.6%, Mo0.025%, Sn0.035%, Cr3.3%, and surplus is Cu; Auxiliary material comprises insulating covering agent and refining agent, and its content is about 1% of metal charge total amount, and both ratios are about 5:1, and charcoal selected by insulating covering agent, and refining agent selects sodium carbonate;
B) melting, equipment choosing crucible for smelting stove, fusion process is as follows: first, preheated crucible stove, and preheating temperature controls at about 600 DEG C; Then, add pure iron, pure nickel, pure manganese, pure chromium and fine copper, crucible oven heat-up rate controls at 6 DEG C/s, and Control for Kiln Temperature is at 1520 DEG C-1550 DEG C; Then, add fine aluminium, pure zinc, pure molybdenum and pure tin successively, period uses graphite rod uniform stirring, alloy solution surface sprinkling insulating covering agent, and the gauge control of insulating covering agent is at 10-12mm; Finally, add refining agent, continue to stir 15-17 minute;
C) cast, metallic solution uses slag spoon to carry out except Slag treatment; In casting cycle, the preheating temperature of mould controls at 660 DEG C-670 DEG C, and pouring speed controls at 2.2-2.3kg/min; After casting, foundry goods slow cooling in 200 DEG C of baking ovens, after taking out, air cooling is to room temperature;
D) thermal treatment, first, is heated to 900 DEG C by spray, rate of heating controls at 12 DEG C/min, is incubated and carries out the process of profit biliquid after 1-1.5 hour; Then, again heat spray to 400 DEG C, be incubated air cooling after 2.5-3 hour;
E) aftertreatment, aftertreatment comprises the surface treatment, inspection after construction, japanning, storage etc. of foundry goods.
Present invention is disclosed a kind of preparation method of Novel marine propeller, be characterized in: this preparation method's procedure arrangement is reasonable, preparation technology is easy, implementation cost is moderate, obtained water screw shows good comprehensive mechanical property, especially corrosion resisting property is given prominence to, and makes it in the marine site that pollution is relatively serious, also can keep good use properties and life-span.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a preparation method for Novel marine propeller, is characterized in that, this preparation method comprises the steps: that a) selection is got the raw materials ready, b) melting, c) casts, d) thermal treatment, e) aftertreatment.
2. the preparation method of Novel marine propeller according to claim 1, it is characterized in that, in described step a), raw material is made up of metal charge and auxiliary material, and metal charge comprises: fine aluminium, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and fine copper; Auxiliary material comprises insulating covering agent and refining agent, and charcoal selected by insulating covering agent, and refining agent selects sodium carbonate.
3. the preparation method of Novel marine propeller according to claim 1, is characterized in that, in described step b), crucible for smelting stove selected by melting equipment, and fusion process is as follows: first, preheated crucible stove, and preheating temperature controls at about 600 DEG C; Then, add pure iron, pure nickel, pure manganese, pure chromium and fine copper, crucible oven heat-up rate controls at 5 DEG C-6 DEG C/s, and Control for Kiln Temperature is at 1500 DEG C-1550 DEG C; Then, add fine aluminium, pure zinc, pure molybdenum and pure tin successively, period uses graphite rod uniform stirring, alloy solution surface sprinkling insulating covering agent, and the gauge control of insulating covering agent is at 10-12mm; Finally, add refining agent, continue to stir 10-20 minute.
4. the preparation method of Novel marine propeller according to claim 1, is characterized in that, in described step c), in casting cycle, the preheating temperature of mould controls at 650 DEG C-700 DEG C, and pouring speed controls at 2-2.5kg/min; After casting, foundry goods slow cooling in 200 DEG C of baking ovens, after taking out, air cooling is to room temperature.
5. the preparation method of Novel marine propeller according to claim 1, is characterized in that, in described step d), first, spray is heated to 880 DEG C-900 DEG C, rate of heating controls at 10 DEG C-12 DEG C/min, is incubated and carries out the process of profit biliquid after 1-1.5 hour; Then, again heat spray to 380 DEG C-400 DEG C, be incubated air cooling after 2.5-3 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878256.7A CN105420539A (en) | 2015-12-04 | 2015-12-04 | Preparing method for novel ship propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878256.7A CN105420539A (en) | 2015-12-04 | 2015-12-04 | Preparing method for novel ship propeller |
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| Publication Number | Publication Date |
|---|---|
| CN105420539A true CN105420539A (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510878256.7A Pending CN105420539A (en) | 2015-12-04 | 2015-12-04 | Preparing method for novel ship propeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690040A (en) * | 2016-04-06 | 2016-06-22 | 台州市椒江永固船舶螺旋桨厂 | Pouring and polishing process for propeller and copper alloy formula for propeller |
-
2015
- 2015-12-04 CN CN201510878256.7A patent/CN105420539A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690040A (en) * | 2016-04-06 | 2016-06-22 | 台州市椒江永固船舶螺旋桨厂 | Pouring and polishing process for propeller and copper alloy formula for propeller |
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Application publication date: 20160323 |