CN102527601A - Preparation method for blocking preventing coating of spray head of atomizer - Google Patents
Preparation method for blocking preventing coating of spray head of atomizer Download PDFInfo
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- CN102527601A CN102527601A CN2012100527716A CN201210052771A CN102527601A CN 102527601 A CN102527601 A CN 102527601A CN 2012100527716 A CN2012100527716 A CN 2012100527716A CN 201210052771 A CN201210052771 A CN 201210052771A CN 102527601 A CN102527601 A CN 102527601A
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- shower nozzle
- atomizer
- atomizer shower
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Abstract
The invention discloses a preparation method for a blocking preventing coating of a spray head of an atomizer. The preparation method comprises the following steps of: firstly, placing the spray head of the atomizer on a lifting rack and enabling the spray head of the atomizer to be aligned to the center of a conical countersink on a lower positioning plate and to have no clearance with the conical countersink on the lower positioning plate; secondly, adjusting the height of the spray head of the atomizer to allow a certain clearance between the spray head of the atomizer and the lower positioning plate, exhausting air in the spray head of the atomizer, wherein viscous heat insulating coating cannot flow out; thirdly, arranging a metal mandrel with a low melting point at the center of the spray head of the atomizer, adjusting by using the taper above the spray head of the atomizer and the taper below the upper positioning plate to enable the metal mandrel with the low melting point to be positioned at the center of the spray head of the atomizer and the lower end of the metal mandrel with the low melting point to be led out of a through hole at the center of the conical countersink on the lower positioning plate; fourthly, adjusting the height of the upper positioning plate by using a lifting rod and injecting a heat-insulating coating solution inside the spray head of the atomizer by using a hopper; and fifthly, curing the heat-insulating coating solution by using a thermostat. The preparation method disclosed by the invention has the characteristics of simpleness, feasibility, low cost and favorable effect.
Description
Technical field
The invention belongs to the atomized powder preparing technical field, be specifically related to the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle.
Background technology
In the preparation process of solder alloy powder and other low melting point powder, the alloy liquid degree of superheat is low more, and scaling loss is few more; Degree of oxidation is low more; And the atomisation tower height can design lowlyer, and because of the flakelike powder that does not have cooling in time to cause is few more, the powder agglomerated intensity that gets into spray chamber is low more.Find also that through test atomizer shower nozzle internal diameter is more little simultaneously, atomized powder is thin more, and sphericity is good more.But atomizer shower nozzle internal diameter reduces or the alloy liquid degree of superheat reduces, and all can cause atomizer shower nozzle easy blocking, makes atomization process interrupt.Through test and analysis, the generation of obstruction is that heat conductivility is good because the atomizer shower nozzle is a ferrous materials; Low-temperature atomizing gas flows along atomizer shower nozzle outer wall fast, takes away a large amount of heats, makes atomizer shower nozzle outside wall temperature sharply reduce; And low temperature passed to the alloy flow that flows through in the liquid pipe, if flow is tiny or the degree of superheat is not high, then heat passes to the outer atomization gas of pipe rapidly; Cause the interior alloy flow velocity of atomizer shower nozzle to slow down, stop up the atomizing failure subsequently.Therefore must explore a kind of method, prepare the material of one deck heat-insulating property for atomizer shower nozzle inwall.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the purpose of this invention is to provide the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle, have simple, easy to operate, with low cost, respond well characteristics.
To achieve these goals, the technical scheme of the present invention's employing is: the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle may further comprise the steps:
At first, the atomizer shower nozzle is placed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
Secondly, the height of adjustment atomizer shower nozzle makes atomizer shower nozzle and following location-plate leave the gap, discharges the air in the atomizer shower nozzle, and the adiabatic coating solution of thickness can not flow out;
Once more; The low-melting-point metal core is placed the center of atomizer shower nozzle; Utilize tapering and the adjustment of the tapering under the last location-plate on the atomizer shower nozzle, make the low-melting-point metal core be positioned at the center of atomizer shower nozzle, draw from the through hole that descends the tapered counterbore center on the location-plate its lower end;
The 4th, adjust the upward height of location-plate with elevating lever, inject adiabatic coating solution with funnel to atomizer shower nozzle inside;
The 5th, solidify adiabatic coating solution with insulating box;
At last, with resistance furnace fusing low-melting-point metal core.
Described low-melting-point metal core fusing point is higher than the solidification temperature of adiabatic coating solution, and its fusing point also is lower than atomizer shower nozzle fusing point simultaneously.
The low-melting-point metal core of described fusing and the adiabatic coating solution of curing do not infiltrate, and is non-caked.
The invention has the beneficial effects as follows:
Because the present invention has adopted above preparation method, makes the present invention have the following advantages: catheter internal diameter size precision is high, the internal diameter convenient formation, anti-blocking coating insulation effect is good, can solve blockage problem, improves effective condensation rate effect and imitates work.
The specific embodiment
Below in conjunction with embodiment the present invention is done further explain.
Embodiment one
The preparation method of the anti-blocking coating of a kind of atomizer shower nozzle may further comprise the steps:
The first, the atomizer shower nozzle is fixed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
The second, the height of adjustment atomizer shower nozzle makes atomizer shower nozzle and following location-plate leave the 0.1mm gap, discharges the air in the atomizer shower nozzle, and the adiabatic coating solution of thickness can not flow out;
The 3rd; Sn-5.0 Ag-4.0Cu the silk that utilizes diameter 1mm is as the low-melting-point metal core; Place atomizer shower nozzle center; Tapering on the atomizer shower nozzle capable of using and the adjustment of the tapering under the last location-plate make Sn-5.0 Ag-4.0Cu silk of diameter 1mm be positioned at the center of atomizer shower nozzle, and draw from the through hole that descends the tapered counterbore center on the location-plate lower end of Sn-5.0 Ag-4.0Cu silk;
The 4th, utilize the elevating lever adjustment to go up the location-plate height, apart from atomizer shower nozzle upper surface 5cm, utilize funnel to the inner adiabatic coating solution that injects of atomizer shower nozzle, adiabatic coating solution adopts following proportioning: distilled water 60%, waterglass 20% ,-200 order Zr
2O
3Powder 20%, plasticizer adopts CMC, and the plasticizer quality is about 0.2% of adiabatic coating gross mass;
The 5th, then whole device is moved in the insulating box together with the atomizer shower nozzle, solidify adiabatic coating solution, promptly heat insulating coating obtains, and calorstat temperature is set at 190 ℃, 150 minutes hardening times;
The 6th, then the atomizer shower nozzle of acquired heat insulating coating is inserted resistance furnace and melt away the low-melting-point metal core, can obtain to have the atomizer shower nozzle of interior coating, resistance furnace temperature is set at 275 ℃, and the time is 40 minutes.
Embodiment two
The preparation method of the anti-blocking coating of a kind of atomizer shower nozzle may further comprise the steps:
The first, the atomizer shower nozzle is fixed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
The second, adjustment atomizer sprinkler height makes atomizer shower nozzle and following location-plate leave the 0.1mm gap, discharges the air in the atomizer shower nozzle, and the adiabatic coating solution of thickness can not flow out;
The 3rd; With the Sn-1Ag-0.5Cu silk of diameter 1mm as the low-melting-point metal core; Place the center of atomizer shower nozzle; Utilize tapering and the adjustment of the tapering under the last location-plate on the atomizer shower nozzle, make the Sn-1Ag-0.5Cu silk of diameter 1mm be positioned at the center of atomizer shower nozzle, draw from the through hole that descends the tapered counterbore center on the location-plate Sn-1Ag-0.5Cu silk lower end;
The 4th, utilize the elevating lever adjustment to go up the location-plate height, apart from atomizer shower nozzle upper surface 5cm, utilize funnel to the inner adiabatic coating solution that injects of atomizer shower nozzle, adiabatic coating solution adopts following proportioning: distilled water 60%, waterglass 20% ,-200 order Zr
2O
3Powder 20%, plasticizer adopts CMC, and the plasticizer quality is about 0.2% of adiabatic coating gross mass;
The 5th, then whole device is moved in the insulating box together with the atomizer shower nozzle, solidify adiabatic coating solution, promptly heat insulating coating obtains, and calorstat temperature is set at 190 ℃, 150 minutes hardening times;
The 6th, then the atomizer shower nozzle of acquired heat insulating coating is inserted resistance furnace and melt away the low-melting-point metal core, can obtain to have the atomizer shower nozzle of interior coating, resistance furnace temperature is set at 270 ℃, and the time is 40 minutes.
Claims (5)
1. the preparation method of the anti-blocking coating of atomizer shower nozzle is characterized in that, may further comprise the steps:
At first, the atomizer shower nozzle is placed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
Secondly, the height of adjustment atomizer shower nozzle makes atomizer shower nozzle and following location-plate leave the gap, discharges the air in the atomizer shower nozzle, and the adiabatic coating solution of thickness can not flow out;
Once more; The low-melting-point metal core is placed the center of atomizer shower nozzle; Utilize tapering and the adjustment of the tapering under the last location-plate on the atomizer shower nozzle, make the low-melting-point metal core be positioned at the center of atomizer shower nozzle, draw from the through hole that descends the tapered counterbore center on the location-plate its lower end;
The 4th, adjust the upward height of location-plate with elevating lever, inject adiabatic coating solution with funnel to atomizer shower nozzle inside;
The 5th, solidify adiabatic coating solution with insulating box;
At last, with resistance furnace fusing low-melting-point metal core.
2. the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle according to claim 1 is characterized in that, may further comprise the steps:
The first, the atomizer shower nozzle is fixed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
The second, the height of adjustment atomizer shower nozzle makes atomizer shower nozzle and following location-plate leave the 0.1mm gap, discharge the air in the atomizer shower nozzle on the one hand, but the adiabatic coating solution of thickness can not flow out;
The 3rd; Sn-5.0 Ag-4.0Cu the silk that utilizes diameter 1mm is as the low-melting-point metal core; Place atomizer shower nozzle center; Tapering on the atomizer shower nozzle capable of using and the adjustment of the tapering under the last location-plate make Sn-5.0 Ag-4.0Cu silk of diameter 1mm be positioned at the center of atomizer shower nozzle, and draw from the through hole that descends the tapered counterbore center on the location-plate lower end of Sn-5.0 Ag-4.0Cu silk;
The 4th, utilize the elevating lever adjustment to go up the location-plate height, apart from atomizer shower nozzle upper surface 5cm, utilize funnel to the inner adiabatic coating solution that injects of atomizer shower nozzle, adiabatic coating solution adopts following proportioning: distilled water 60%, waterglass 20% ,-200 order Zr
2O
3Powder 20%, plasticizer adopts CMC, and the plasticizer quality is about 0.2% of adiabatic coating gross mass;
The 5th, then whole device is moved in the insulating box together with the atomizer shower nozzle, solidify adiabatic coating solution, promptly heat insulating coating obtains, and calorstat temperature is set at 190 ℃, 150 minutes hardening times;
The 6th, then the atomizer shower nozzle of acquired heat insulating coating is inserted resistance furnace and melt away the low-melting-point metal core, can obtain to have the atomizer shower nozzle of interior coating, resistance furnace temperature is set at 275 ℃, and the time is 40 minutes.
3. the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle according to claim 1 is characterized in that, may further comprise the steps:
The first, the atomizer shower nozzle is fixed on the up-down stand, the tapered counterbore center on atomizer shower nozzle and the following location-plate is aligned, assurance atomizer shower nozzle does not have the gap with tapered counterbore on the following location-plate and contacts;
The second, adjustment atomizer sprinkler height makes atomizer shower nozzle and following location-plate leave the 0.1mm gap, discharges the air in the atomizer shower nozzle, and the adiabatic coating solution of thickness can not flow out;
The 3rd; With the Sn-1Ag-0.5Cu silk of diameter 1mm as the low-melting-point metal core; Place the center of atomizer shower nozzle; Utilize tapering and the adjustment of the tapering under the last location-plate on the atomizer shower nozzle, make the Sn-1Ag-0.5Cu silk of diameter 1mm be positioned at the center of atomizer shower nozzle, draw from the through hole that descends the tapered counterbore center on the location-plate Sn-1Ag-0.5Cu silk lower end;
The 4th, utilize the elevating lever adjustment to go up the location-plate height, apart from atomizer shower nozzle upper surface 5cm, utilize funnel to the inner adiabatic coating solution that injects of atomizer shower nozzle, adiabatic coating solution adopts following proportioning: distilled water 60%, waterglass 20% ,-200 order Zr
2O
3Powder 20%, plasticizer adopts CMC, and the plasticizer quality is about 0.2% of adiabatic coating gross mass;
The 5th, then whole device is moved in the insulating box together with the atomizer shower nozzle, solidify adiabatic coating solution, promptly heat insulating coating obtains, and calorstat temperature is set at 190 ℃, 150 minutes hardening times;
The 6th, then the atomizer shower nozzle of acquired heat insulating coating is inserted resistance furnace and melt away the low-melting-point metal core, can obtain to have the atomizer shower nozzle of interior coating, resistance furnace temperature is set at 270 ℃, and the time is 40 minutes.
4. the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle according to claim 1 is characterized in that described low-melting-point metal core fusing point is higher than the solidification temperature of adiabatic coating solution, and its fusing point also is lower than the fusing point of atomizer shower nozzle.
5. the preparation method of the anti-blocking coating of a kind of atomizer shower nozzle according to claim 1 is characterized in that the low-melting-point metal core of described fusing and the adiabatic coating solution of curing do not infiltrate, and is non-caked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100527716A CN102527601B (en) | 2012-03-02 | 2012-03-02 | Preparation method for blocking preventing coating of spray head of atomizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100527716A CN102527601B (en) | 2012-03-02 | 2012-03-02 | Preparation method for blocking preventing coating of spray head of atomizer |
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| CN102527601A true CN102527601A (en) | 2012-07-04 |
| CN102527601B CN102527601B (en) | 2013-12-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539458A (en) * | 2012-04-27 | 2014-01-29 | 通用电气公司 | Method of producing an internal cavity in a ceramic matrix composite |
| US10017425B2 (en) | 2013-05-29 | 2018-07-10 | General Electric Company | Methods and materials for forming in-situ cavities for silicon-based ceramic matrix composite components |
| US10450235B2 (en) | 2012-04-27 | 2019-10-22 | General Electric Company | Method of producing an internal cavity in a ceramic matrix composite and mandrel therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164954A (en) * | 1998-12-08 | 2000-12-26 | Husky Injection Molding Systems Ltd. | High pressure injection nozzle |
| CN1511663A (en) * | 2002-12-30 | 2004-07-14 | 北京有色金属研究总院 | Method and device for reducing heat loss of metal atomizing flow guide system |
-
2012
- 2012-03-02 CN CN2012100527716A patent/CN102527601B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164954A (en) * | 1998-12-08 | 2000-12-26 | Husky Injection Molding Systems Ltd. | High pressure injection nozzle |
| CN1511663A (en) * | 2002-12-30 | 2004-07-14 | 北京有色金属研究总院 | Method and device for reducing heat loss of metal atomizing flow guide system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539458A (en) * | 2012-04-27 | 2014-01-29 | 通用电气公司 | Method of producing an internal cavity in a ceramic matrix composite |
| US10011043B2 (en) | 2012-04-27 | 2018-07-03 | General Electric Company | Method of producing an internal cavity in a ceramic matrix composite |
| US10450235B2 (en) | 2012-04-27 | 2019-10-22 | General Electric Company | Method of producing an internal cavity in a ceramic matrix composite and mandrel therefor |
| US10017425B2 (en) | 2013-05-29 | 2018-07-10 | General Electric Company | Methods and materials for forming in-situ cavities for silicon-based ceramic matrix composite components |
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| CN102527601B (en) | 2013-12-11 |
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