CN101684827A - Forming method for laminating components used in an oxygen compressor and corresponding oxygen compressor thereof - Google Patents
Forming method for laminating components used in an oxygen compressor and corresponding oxygen compressor thereof Download PDFInfo
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- CN101684827A CN101684827A CN200910171366A CN200910171366A CN101684827A CN 101684827 A CN101684827 A CN 101684827A CN 200910171366 A CN200910171366 A CN 200910171366A CN 200910171366 A CN200910171366 A CN 200910171366A CN 101684827 A CN101684827 A CN 101684827A
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- overlay film
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- oxygen compressor
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Abstract
The invention provides a forming method for laminating components used in an oxygen compressor and a corresponding oxygen compressor thereof. Laminations (21,22) composed of metals are formed throughplating on rotors (an impeller 7, a rotating shaft 11) and places (inner circumferential surfaces of a suction component 5 and a shaft sealing ring 17) which static components (the suction component 5, the shaft sealing ring 17) enclosing the rotors may contact.
Description
Technical field
The present invention relates on the parts of the oxygen compressor of compressed oxygen, form the method and the oxygen compressor of overlay film.
Background technique
In air separation equipment and other various device, to needs part supply oxygen the time etc., use oxygen compressor sometimes.
When using centrifugal compressor (turbocompressor), because the vibration of the axis of rotation of rotor etc. might contact with static part at the situation lower rotor part that has high oxygen concentration as this oxygen compressor.For example, exist impeller and the inhalation part that surrounds this impeller contact be located at compressor housing in the contacting of shaft sealing place of the part that rotating driveshaft connected of impeller.
Thereby when causing both phase mutual friction to produce abrasion powders owing to contacting of rotor and static part, under the situation of the oxygen that has high concentration, might the abrasion powder burning and on fire.Therefore, in oxygen compressor in the past, by form overlay film at the internal surface of inhalation part and shaft sealing as the silver of metal (for example flame-retardant metal), contact under the situation of oxygen of high concentration and when rubbing mutually, also can prevent fire even exist in possible trouble (for example with reference to following patent documentation 1,2) at rotor and static part.
Patent documentation 1: No. 3939814 communique of Japan Patent
Patent documentation 2: TOHKEMY 2007-154750 communique
In the past, as the method that on the internal surface of inhalation part and shaft sealing, forms the overlay film of silver, adopt by spraying plating form silver overlay film method and with the method for plate soldering on mother metal of silver.But when utilizing spraying plating to form overlay film, little as if the internal diameter of the part that forms overlay film, then spraying plating angle is little, thereby adaptation is poor, and, the problem of the non-constant of stock utilization that the amount of dispersing that existence silver disperses in addition to the part that forms overlay film is many and silver-colored.And, when utilizing soldering to form overlay film, exist the part that is complicated shape is formed the comparatively maybe impossible problem that realizes of difficulty of overlay film.
Summary of the invention
The present invention finishes in view of the above problems, the oxygen compressor that its problem is to provide following is with the formation method and the oxygen compressor of the overlay film in the parts: when the part that might contact rotor and static part forms the overlay film of metal (for example flame-retardant metal), can significantly improve the stock utilization of metal, even parts that internal diameter is little or be the parts of complicated shape also can easily form overlay film.
In order to address the above problem, oxygen compressor of the present invention adopts following technological scheme with the formation method and the oxygen compressor of the overlay film in the parts.
(1) oxygen compressor of the present invention forms overlay film with the formation method of the overlay film in the parts on the parts of oxygen compressor, described oxygen compressor rotates compressed oxygen by drive the rotor that comprises impeller in compressor housing, it is characterized in that, at above-mentioned rotor with surround on the position that the static part of this rotor might contact, form the overlay film that constitutes by metal by electroplating.
(2) and, in said method, the position that forms above-mentioned overlay film is the part of surrounding the periphery that is positioned at above-mentioned impeller in the inhalation part of above-mentioned impeller.
(3) and, in said method, the position that forms above-mentioned overlay film is the inner peripheral surface of the Simmer ring of the rotating driveshaft that the is arranged at impeller part that connects compressor housing.
(4) and, oxygen compressor of the present invention rotates compressed oxygen by drive the rotor that comprises impeller in compressor housing, it is characterized in that, at above-mentioned rotor with surround on the position that the static part of this rotor might contact, be provided with the overlay film that constitutes by metal that forms by electroplating.
According to the present invention, because on rotor and position that static part might contact, form the overlay film of metal by plating, therefore, even under the little situation of the internal diameter of the part that forms overlay film and under the complex-shaped situation, also can easily form the overlay film of metal at the position of expectation.And, by in plating, the part that does not need to form overlay film being implemented to shelter, can only form overlay film in the part of wanting to form overlay film, therefore, can significantly improve the stock utilization of metal.
Description of drawings
Fig. 1 is the pie graph of the oxygen compressor of embodiments of the present invention.
Fig. 2 is explanation forms the method for the overlay film that is made of metal on inhalation part figure.
Fig. 3 is explanation forms the method for the overlay film that is made of metal on Simmer ring figure.
Embodiment
Below, describe preferred implementation of the present invention with reference to the accompanying drawings in detail.In addition, also the repetitive description thereof will be omitted to part mark same numeral shared among each figure.
Fig. 1 is the pie graph of the oxygen compressor 1 of embodiments of the present invention.In Fig. 1, oxygen compressor 1 possesses: the rotor that is driven in rotation (running shaft 11 and impeller 7); With the compressor housing 3 that surrounds running shaft 11 and impeller 7.
Running shaft 11 is supported to rotating by the bearing 12 that supports and be fixed on the bearing support 13.Linking the impeller 7 that constitutes by wheel hub 8 and blade 9 integratedly on the top of running shaft 11,, making impeller 7 rotations by utilizing 11 rotations of not shown drive unit rotary driving axle.In addition, running shaft 11 and impeller 7 can be integrally formed, and it is fixing also can to utilize suitable connect mechanism to link after making as the parts of split.
In the above-described configuration, when impeller 7 was driven in rotation, oxygen was inhaled into by the above-mentioned access of inhalation part 5, and this oxygen is being decelerated pressurization by impeller 7 in the process that the radial direction outside is sent, be imported into the vortex chamber 6 of ring-type then, and never illustrated exhaust port is discharged from.
Leak into the outside in order to suppress the back side of pressurized gas by impeller 7, be provided with shaft sealing 14, this shaft sealing 14 suppresses the axial gas stream between running shafts 11 and the stationary part on every side of surrounding this running shaft 11.Shaft sealing 14 has Simmer ring 17 and a plurality of labyrinth sealing circle group 15.
Simmer ring 17 in the form of a ring and be supported on the inboard of the circular open portion of housing parts 4.A plurality of labyrinth sealing circle groups 15 are supported on the peripheral part with Simmer ring 17 opposed running shafts 11 in the axially-spaced compartment of terrain.Each labyrinth sealing circle group 15 is aggregates of a plurality of fins.
In the interior perimembranous of Simmer ring 17, between labyrinth sealing circle group 15, be formed with the closed chamber 18 of ring-type in the axially-spaced compartment of terrain.And, in Simmer ring 17, be formed with the path 19 of the outer circumferential face of the peripheral part that is communicated with each closed chamber 18 and Simmer ring 17.In housing parts 4, be formed with a plurality of holes (not shown) of cutting of extending in the mode that is communicated with above-mentioned a plurality of paths 19 respectively along radial direction.Cut the hole by this, be blown into sealing gas or reclaim gas leakage or purify, carry out compressed-air actuated sealing thus.
In the oxygen compressor 1 that constitutes in the above described manner, because the vibration in the axle center of rotor (impeller 7 and running shaft 11) etc., rotor might contact with the static part that surrounds this rotor existing under the situation of high oxygen concentration.That is, in the oxygen compressor 1 of Fig. 1, periphery that might impeller 7 contacts with the inner peripheral surface of inhalation part 5, and perhaps the outer circumferential face of running shaft 11 (particularly being labyrinth sealing circle group 15) contacts with the inner peripheral surface of Simmer ring 17.
Both mutual rub and produce on fire in order to prevent to cause because of this rotor and contacting of static part are provided with the overlay film 21,22 by metal (for example flame-retardant metal) formation that forms by plating at the position that rotor and static part might contact.In the configuration example of Fig. 1, the part of the periphery that is positioned at impeller 7 in the inhalation part 5 that surrounds impeller 7 is provided with the overlay film 21 by metal (for example flame-retardant metal) formation that forms by plating.And, be provided with the overlay film 22 that forms by plating by metal (for example flame-retardant metal) formation at the inner peripheral surface of Simmer ring 17.
As above-mentioned metal, gold (Au), silver (Ag), platinum (Pt), palladium (Pd), rhodium (Rh), iridium (Ir), ruthenium (Ru), osmium precious metal such as (Os) and their alloy are arranged.This overlay film 21,22 that is made of metal forms the thickness of millimeter unit, is preferably formed to be the thickness about 1.5mm～3.0mm.That is, can carry out thick plating.In this case, if form the overlay film 21,22 of the above thickness of 2mm, even then just in case, can prevent in advance that also the blade 9 of impeller 7 and the situation that labyrinth sealing circle group 15 arrives the base material of inhalation parts 5 and Simmer ring 17 from taking place because the vibration in the axle center of impeller 7 or running shaft 11 (particularly being labyrinth sealing circle group 15) etc. cause the blade 9 of impeller 7 or labyrinth sealing circle group 15 overlay film 21,22 of nipping.
Fig. 2 is explanation forms the method for the overlay film 21 that is made of metal (for example flame-retardant metal) on above-mentioned inhalation part 5 figure.In Fig. 2, in plating coating groove 24, put into and utilize medicine to dissolve the plating solution 25 of wanting the metal (for example flame-retardant metal) of plating and obtaining.In plating solution 25, immerse inhalation part 5 and electrode 26a.Inhalation part 5 and electrode are respectively by not shown fixture supports.
Electrode 26a forms following shape: copy the shape that will form the position of overlay film 21 in the inhalation part 5, the state configuration of this electrode 26a to face mutually with the inner peripheral surface of inhalation part 5.In Fig. 2, electrode 26a is the whole shape that is a ring-type, but also can be for many electrode plates are arranged in the parts that ring-type forms.Perhaps, also electrode 26a can be formed a stick electrode, and be inserted into the central part of inhalation part 5.
In this state, as negative electrode, as anode, by to switching on, make metal accumulation in the plating solution 25 between the two electrode 26a inhalation part 5, form the overlay film 21 that constitutes by metal thus at the inner peripheral surface of inhalation part 5.After the overlay film that forms needed thickness thus, clean and reprocessing such as polishing.
Fig. 3 is explanation forms the method for the overlay film 22 that is made of metal (for example flame-retardant metal) on above-mentioned Simmer ring 17 figure.In Fig. 3, identical with shown in Fig. 2 of plating coating groove 24, plating solution 25 and plating power supply 27.In plating solution 25, immerse Simmer ring 17 and electrode 26b.Simmer ring 17 and electrode 26b are respectively by not shown fixture supports.
Electrode 26b is the hollow circle tube of shape of copying the inner peripheral surface of Simmer ring 17, with the state configuration of facing mutually with the inner peripheral surface of Simmer ring 17.In Fig. 3, electrode 26b is the whole shape that is a hollow circle tube, but also can be for many electrode plates are arranged in the parts that cylindrical shape forms.Perhaps, also electrode 26b can be formed a stick electrode, and be inserted into the central part of Simmer ring 17.
Simmer ring 17 is connected with the positive pole of plating power supply 27, and electrode 26b is connected with the negative pole of plating power supply 27.In Simmer ring 17, the part that does not need to form overlay film is implemented to shelter.
In this state, as negative electrode, as anode, by to switching on, make metal accumulation in the plating solution 25 between the two electrode 26b Simmer ring 17, form the overlay film 22 that constitutes by metal thus at the inner peripheral surface of Simmer ring 17.After the overlay film that forms needed thickness thus, clean and reprocessing such as polishing.
When on the inner peripheral surface of Simmer ring 17, forming overlay film 22, can prepare to be formed with Simmer ring 17 as the state of the groove of closed chamber 18, its needed position is implemented to shelter, form the overlay film 22 of metal by above-mentioned plating, but the bight of groove or concavo-convexly might bring harmful effect in this case, to the formation of overlay film.Therefore, as shown in Figure 3, be preferably in formation, form groove then as closed chamber 18 as forming overlay film 22 on the inner peripheral surface of the Simmer ring 17 before the groove of closed chamber 18.
According to above-mentioned the present invention, at the position that rotor and static part might contact, form the overlay film 21,22 that constitutes by metal by electroplating, therefore, even be under the little situation of the internal diameter of inner peripheral surface of inhalation part 5 and Simmer ring 17 or under the complex-shaped situation in the part that forms overlay film 21,22, also can easily form the overlay film of metal at the position of expectation.And, by in plating, the part that does not need to form overlay film being implemented to shelter, can only form overlay film in the part of wanting to form overlay film, therefore, can significantly improve the stock utilization of metal.
In addition, in the above-described embodiment, form the overlay film 21 that constitutes by metal at inner peripheral surface as the inhalation part 5 of static part, but also can form the overlay film that constitutes by metal at peripheral part as the blade 9 of the impeller 7 of rotor, perhaps, can on the peripheral part both sides of the inner peripheral surface of inhalation part 5 and blade 9, all form the overlay film that constitutes by metal.
And, in the above-described embodiment, form the overlay film 22 that constitutes by metal at inner peripheral surface as the Simmer ring 17 of static part, but also can form the overlay film that constitutes by metal at the peripheral part that is disposed at as the labyrinth sealing circle group 15 of running shaft 11 sides of rotor, perhaps, also can on the peripheral part both sides of the inner peripheral surface of Simmer ring 17 and labyrinth sealing circle group 15, all form the overlay film that constitutes by metal.
And, in the above-described embodiment, form in Stationary side and Simmer ring 17 be set, the structure of labyrinth sealing circle group 15 be set, but also can form in stationary part the structure that labyrinth sealing circle group is set, Simmer ring is set in rotary side in rotary side.In this case, also can form the overlay film that constitutes by metal side in the outer circumferential face of the interior perimembranous of labyrinth sealing circle group and Simmer ring or both sides.
More than, embodiments of the present invention have been described, but above disclosed embodiments of the present invention are nothing but illustration, these mode of executions that scope of the present invention is not limited to invent.Scope of the present invention represented by the record of claim, also is included in and the equal meaning of the record of claim and all changes in the scope.
Claims (4)
1. an oxygen compressor forms overlay film with the formation method of the overlay film in the parts on the parts of oxygen compressor, and described oxygen compressor rotates compressed oxygen by drive the rotor that comprises impeller in compressor housing, it is characterized in that,
At above-mentioned rotor with surround on the position that the static part of this rotor might contact, form the overlay film that constitutes by metal by electroplating.
2, oxygen compressor according to claim 1 is characterized in that with the formation method of the overlay film in the parts,
The position that forms above-mentioned overlay film is the part of surrounding the periphery that is positioned at above-mentioned impeller in the inhalation part of above-mentioned impeller.
3, oxygen compressor according to claim 1 and 2 is characterized in that with the formation method of the overlay film in the parts,
The position that forms above-mentioned overlay film is the inner peripheral surface of the Simmer ring of the rotating driveshaft that the is arranged at impeller part that connects compressor housing.
4, a kind of oxygen compressor rotates compressed oxygen by drive the rotor that comprises impeller in compressor housing, it is characterized in that,
At above-mentioned rotor with surround on the position that the static part of this rotor might contact, be provided with the overlay film that constitutes by metal that forms by electroplating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008244503 | 2008-09-24 | ||
| JP2008244503A JP5305139B2 (en) | 2008-09-24 | 2008-09-24 | Method for forming flame retardant coating on oxygen compressor component and oxygen compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101684827A true CN101684827A (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910171366A Pending CN101684827A (en) | 2008-09-24 | 2009-08-31 | Forming method for laminating components used in an oxygen compressor and corresponding oxygen compressor thereof |
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| JP (1) | JP5305139B2 (en) |
| CN (1) | CN101684827A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415707A (en) * | 2011-03-17 | 2013-11-27 | 三菱重工业株式会社 | Scroll structure for centrifugal compressor |
| US9541094B2 (en) | 2010-12-28 | 2017-01-10 | Mitsubishi Heavy Industries, Ltd. | Scroll structure of centrifugal compressor |
| CN110129848A (en) * | 2019-06-03 | 2019-08-16 | 杭州初始服饰有限公司 | A kind of anti-holes soft board electroplating technology |
| CN111566352A (en) * | 2018-01-10 | 2020-08-21 | 西门子股份公司 | Inner casing of a turbomachine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441851B (en) * | 2019-01-16 | 2024-07-12 | 北京航空航天大学 | Fan blade based on electrostatic driving and hybrid driving method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007154750A (en) * | 2005-12-05 | 2007-06-21 | Ishikawajima Harima Heavy Ind Co Ltd | Oxygen compressor |
| JP2008082532A (en) * | 2006-08-30 | 2008-04-10 | Osaka Gas Co Ltd | Sliding member and sliding component including the same |
-
2008
- 2008-09-24 JP JP2008244503A patent/JP5305139B2/en active Active
-
2009
- 2009-08-31 CN CN200910171366A patent/CN101684827A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9541094B2 (en) | 2010-12-28 | 2017-01-10 | Mitsubishi Heavy Industries, Ltd. | Scroll structure of centrifugal compressor |
| CN103415707A (en) * | 2011-03-17 | 2013-11-27 | 三菱重工业株式会社 | Scroll structure for centrifugal compressor |
| CN103415707B (en) * | 2011-03-17 | 2016-08-10 | 三菱重工业株式会社 | The turbulent structure of centrifugal compressor |
| US9562541B2 (en) | 2011-03-17 | 2017-02-07 | Mitsubishi Heavy Industries, Ltd. | Scroll structure of centrifugal compressor |
| CN111566352A (en) * | 2018-01-10 | 2020-08-21 | 西门子股份公司 | Inner casing of a turbomachine |
| US11732720B2 (en) | 2018-01-10 | 2023-08-22 | Siemens Energy Global GmbH & Co. KG | Turbomachine inner housing |
| CN110129848A (en) * | 2019-06-03 | 2019-08-16 | 杭州初始服饰有限公司 | A kind of anti-holes soft board electroplating technology |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010077831A (en) | 2010-04-08 |
| JP5305139B2 (en) | 2013-10-02 |
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Open date: 20100331 |