CN105063585A - Manufacturing method of beam tube used for ducted propeller - Google Patents
Manufacturing method of beam tube used for ducted propeller Download PDFInfo
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- CN105063585A CN105063585A CN201510478936.XA CN201510478936A CN105063585A CN 105063585 A CN105063585 A CN 105063585A CN 201510478936 A CN201510478936 A CN 201510478936A CN 105063585 A CN105063585 A CN 105063585A
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Abstract
The invention discloses a manufacturing method of a beam tube used for a ducted propeller. The manufacturing method comprises the following steps: (a) sol is prepared; (b) a substrate is pre-processed; (c) a film is soaked; (d) drying treatment is carried out; (e) sintering treatment is carried out; and (f) intensification treatment is carried out. The invention discloses the manufacturing method of the beam tube used for a ducted propeller; the manufacturing method is reasonable in working procedure arrangement; the manufacturing technology is simple and convenient; the cost is proper; the film-forming property of a ceramic coating manufactured on the surface of the beam tube is stable; the surface quality is high; the intensity, the corrosion resistance and the abrasion performance are outstanding; the use performance of the beam tube is effectively improved; and the service life of the beam tube is effectively prolonged.
Description
Technical field
The present invention relates to a kind of preparation method of catheter type water screw line cylinder, particularly relate to a kind of preparation method of anti-corrosion and wear resistance exsertile catheter type water screw line cylinder, belong 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.In order to adapt to various sailing conditions better and make full use of main engine power, conventional propeller develops and various ways, wherein comparatively extensive with the application of catheter type water screw.
Catheter type water screw is primarily of blade, propeller hub, main shaft and line cylinder composition, and its line cylinder adopts stainless steel mostly, wherein wider with chromium nickel stainless steel application.Chromium nickel stainless steel has certain corrosion resistance nature, but the line tube length phase soaks in the seawater, be subject to the impact of the factor such as temperature, pressure, the stainless steel line cylinder of single material is easy to, because of sea-water corrosion, breakage occurs, and affects its work-ing life and use properties; Meanwhile, when being subject to abnormal flow action, often can touch between line cylinder and blade, blade can cause line cylinder to scratch, and even damaged phenomenon, affects the normal operation of whole marine propeller.
Summary of the invention
For the demand, the invention provides a kind of preparation method of catheter type water screw line cylinder, this preparation method's procedure arrangement is reasonable, preparation technology is easy, ceramic coating obtained by line cylinder surface has the advantages such as high, the anti-corrosion and wear resisting property of surface quality is outstanding, effectively can improve use properties and the work-ing life of line cylinder.
The present invention is a kind of preparation method of catheter type water screw line cylinder, and this preparation method comprises the steps: a) to prepare colloidal sol, and b) pretreatment of base material, c) floods film, d) drying treatment, e) sintering processes, f) intensive treatment.
In a preferred embodiment of the present invention, in described step a), the preparation process of colloidal sol is as follows: first, takes out ammoniacal liquor, heats 1 minute in 350 DEG C of-400 DEG C of temperature; Then, add aluminum nitrate and chromium nitrate solution, micro-wave temperature controls at 400 DEG C-450 DEG C, heats 1 minute; Finally, room temperature cools, obtained transparent Al-Cr colloidal sol.
In a preferred embodiment of the present invention, in described step b), pre-treating technology comprises degreasing, cleaning and drying and processing; Skimming treatment uses acetone soln, and clean uses raw spirit, and the temperature of drying and processing controls at about 40 DEG C.
In a preferred embodiment of the present invention, in described step c), equipment choosing Best-Effort request film applicator, treating processes is as follows: first, is vertically immersed in colloidal sol by base material, and collosol temperature controls at 40 DEG C-45 DEG C; Then, at the uniform velocity pull-up, speed is 6cm/min.
In a preferred embodiment of the present invention, in described step d), drying treatment is carried out in vacuum drying oven, and the temperature of drying treatment controls at 65 DEG C-70 DEG C, and the time is about 1.5-2 hour.
In a preferred embodiment of the present invention, in described step d), sintering temperature controls at 500 DEG C, and soaking time is 1-1.2 hour.
In a preferred embodiment of the present invention, in described step d), intensive treatment 3 times, repetitive operation c), d), e) technique; C) pull rate in technique is set to: 6.4cm/min, 6.6cm/min and 6.8cm/min; D) drying temperature in technique maintains 65 DEG C-70 DEG C, and time of drying increases progressively 20 minutes at every turn; E) sintering temperature in technique is promoted to: 600 DEG C, 700 DEG C and 800 DEG C, soaking time is constant.
Present invention is disclosed a kind of preparation method of catheter type water screw line cylinder, this preparation method's procedure arrangement is reasonable, preparation technology is easy, moderate cost, ceramic coating film forming properties obtained by line cylinder surface is stablized, surface quality is high, and intensity, anti-corrosion and wear resisting property are given prominence to, and effectively improve use properties and the work-ing life of line cylinder.
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 catheter type water screw line cylinder.
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 catheter type water screw line cylinder; This preparation method comprises the steps: a) to prepare colloidal sol, and b) pretreatment of base material, c) floods film, d) drying treatment, e) sintering processes, f) intensive treatment.
Embodiment 1
The concrete preparation process of the catheter type water screw line cylinder that the present invention mentions is as follows:
A) prepare colloidal sol, colloidal sol raw material comprises: concentration is the aluminum nitrate solution of 1mol/l, and concentration is the chromium nitrate solution of 1mol/l and concentration is the ammoniacal liquor of 1mol/l, and the volume ratio of three is 1:1:2; Colloidal sol adopts microwave method to be prepared, and preparation process is as follows: first, takes out ammoniacal liquor, heats 1 minute in 350 DEG C of temperature; Then, add aluminum nitrate and chromium nitrate solution, micro-wave temperature controls at 400 DEG C, heats 1 minute; Finally, room temperature cools, obtained transparent Al-Cr colloidal sol;
B) pretreatment of base material, base material is the oval column casing of chromium nickel stainless steel, and thickness is about 1.5mm, and external diameter is about 1.2m, and length is about 1.5m; Pre-treating technology comprises degreasing, cleaning and drying and processing; Skimming treatment uses acetone soln, and soak time is about 30 minutes; Clean uses raw spirit; The temperature of drying and processing controls at about 40 DEG C, and the time is 1 hour;
C) flood film, equipment choosing Best-Effort request film applicator, treating processes is as follows: first, is vertically immersed in colloidal sol by base material, and the dip treating time is about 30-35 minute, and collosol temperature controls at about 40 DEG C; Then, at the uniform velocity pull-up, speed is 6cm/min;
D) drying treatment, drying treatment is carried out in vacuum drying oven, and the temperature of drying treatment controls at about 65 DEG C, and the time is about 1.5 hours;
E) sintering processes, sintering temperature controls at 500 DEG C, and soaking time is 1 hour;
F) intensive treatment, the number of times of intensive treatment is 3 times, respectively repetitive operation c), d), e) technique, to improve coat-thickness and performance; Wherein, pull rate c) in technique is set to: 6.4cm/min, 6.6cm/min and 6.8cm/min; D) drying temperature in technique maintains 65 DEG C, and time of drying increases progressively 20 minutes at every turn; E) sintering temperature in technique is promoted to: 600 DEG C, 700 DEG C and 800 DEG C, soaking time is constant; By above-mentioned technique, final obtained line cylinder ceramic layer thickness is about 0.2mm.
Embodiment 2
The concrete preparation process of the catheter type water screw line cylinder that the present invention mentions is as follows:
A) prepare colloidal sol, colloidal sol raw material comprises: concentration is the aluminum nitrate solution of 1mol/l, and concentration is the chromium nitrate solution of 1mol/l and concentration is the ammoniacal liquor of 1mol/l, and the volume ratio of three is 1:1:2.5; Colloidal sol adopts microwave method to be prepared, and preparation process is as follows: first, takes out ammoniacal liquor, heats 1 minute in 400 DEG C of temperature; Then, add aluminum nitrate and chromium nitrate solution, micro-wave temperature controls at 450 DEG C, heats 1 minute; Finally, room temperature cools, obtained transparent Al-Cr colloidal sol;
B) pretreatment of base material, base material is the oval column casing of chromium nickel stainless steel, and thickness is about 2mm, and external diameter is about 1.5m, and length is about 1.8m; Pre-treating technology comprises degreasing, cleaning and drying and processing; Skimming treatment uses acetone soln, and soak time is about 35 minutes; Clean uses raw spirit; The temperature of drying and processing controls at about 40 DEG C, and the time is 1 hour;
C) flood film, equipment choosing Best-Effort request film applicator, treating processes is as follows: first, is vertically immersed in colloidal sol by base material, and the dip treating time is about 40 minutes, and collosol temperature controls at about 45 DEG C; Then, at the uniform velocity pull-up, speed is 6cm/min;
D) drying treatment, drying treatment is carried out in vacuum drying oven, and the temperature of drying treatment controls at about 70 DEG C, and the time is about 2 hours;
E) sintering processes, sintering temperature controls at 500 DEG C, and soaking time is 1.2 hours;
F) intensive treatment, the number of times of intensive treatment is 3 times, respectively repetitive operation c), d), e) technique, to improve coat-thickness and performance; Wherein, pull rate c) in technique is set to: 6.4cm/min, 6.6cm/min and 6.8cm/min; D) drying temperature in technique maintains 70 DEG C, and time of drying increases progressively 20 minutes at every turn; E) sintering temperature in technique is promoted to: 600 DEG C, 700 DEG C and 800 DEG C, soaking time is constant; By above-mentioned technique, final obtained line cylinder ceramic layer thickness is about 0.25mm.
Present invention is disclosed a kind of preparation method of catheter type water screw line cylinder, be characterized in: this preparation method's procedure arrangement is reasonable, preparation technology is easy, moderate cost, ceramic coating film forming properties obtained by line cylinder surface is stablized, surface quality is high, and intensity, anti-corrosion and wear resisting property are given prominence to, and effectively improve use properties and the work-ing life of line cylinder.
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 (7)
1. a catheter type water screw preparation method for line cylinder, is characterized in that, this preparation method comprises the steps: a) to prepare colloidal sol, and b) pretreatment of base material, c) floods film, d) drying treatment, e) sintering processes, f) intensive treatment.
2. the preparation method of catheter type water screw line cylinder according to claim 1, it is characterized in that, in described step a), the preparation process of colloidal sol is as follows: first, takes out ammoniacal liquor, heats 1 minute in 350 DEG C of-400 DEG C of temperature; Then, add aluminum nitrate and chromium nitrate solution, micro-wave temperature controls at 400 DEG C-450 DEG C, heats 1 minute; Finally, room temperature cools, obtained transparent Al-Cr colloidal sol.
3. the preparation method of catheter type water screw line cylinder according to claim 1, it is characterized in that, in described step b), pre-treating technology comprises degreasing, cleaning and drying and processing; Skimming treatment uses acetone soln, and clean uses raw spirit, and the temperature of drying and processing controls at about 40 DEG C.
4. the preparation method of catheter type water screw line cylinder according to claim 1, is characterized in that, in described step c), equipment choosing Best-Effort request film applicator, treating processes is as follows: first, is vertically immersed in colloidal sol by base material, and collosol temperature controls at 40 DEG C-45 DEG C; Then, at the uniform velocity pull-up, speed is 6cm/min.
5. the preparation method of catheter type water screw line cylinder according to claim 1, it is characterized in that, in described step d), drying treatment is carried out in vacuum drying oven, and the temperature of drying treatment controls at 65 DEG C-70 DEG C, and the time is about 1.5-2 hour.
6. the preparation method of catheter type water screw line cylinder according to claim 1, is characterized in that, in described step d), sintering temperature controls at 500 DEG C, and soaking time is 1-1.2 hour.
7. the preparation method of catheter type water screw line cylinder according to claim 1, is characterized in that, in described step d), intensive treatment 3 times, repetitive operation c), d), e) technique; C) pull rate in technique is set to: 6.4cm/min, 6.6cm/min and 6.8cm/min; D) drying temperature in technique maintains 65 DEG C-70 DEG C, and time of drying increases progressively 20 minutes at every turn; E) sintering temperature in technique is promoted to: 600 DEG C, 700 DEG C and 800 DEG C, soaking time is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478936.XA CN105063585A (en) | 2015-08-03 | 2015-08-03 | Manufacturing method of beam tube used for ducted propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478936.XA CN105063585A (en) | 2015-08-03 | 2015-08-03 | Manufacturing method of beam tube used for ducted propeller |
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| CN105063585A true CN105063585A (en) | 2015-11-18 |
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| CN201510478936.XA Pending CN105063585A (en) | 2015-08-03 | 2015-08-03 | Manufacturing method of beam tube used for ducted propeller |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595804A (en) * | 1982-07-01 | 1984-01-12 | Kawasaki Heavy Ind Ltd | Anti-corrosive structure of fluid machinery |
| CN2132686Y (en) * | 1992-07-22 | 1993-05-12 | 张志和 | Honeycomb duct with excellent cavitation erosion resistance |
-
2015
- 2015-08-03 CN CN201510478936.XA patent/CN105063585A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595804A (en) * | 1982-07-01 | 1984-01-12 | Kawasaki Heavy Ind Ltd | Anti-corrosive structure of fluid machinery |
| CN2132686Y (en) * | 1992-07-22 | 1993-05-12 | 张志和 | Honeycomb duct with excellent cavitation erosion resistance |
Non-Patent Citations (1)
| Title |
|---|
| 刘淑贤等: "不锈钢表面SiO2-ZrO2-Al2O3-Cr2O3陶瓷涂层性能的研究"", 《耐火材料》 * |
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Application publication date: 20151118 |