EP3491247A1 - Turboverdichtergehäuse, verfahren zur herstellung - Google Patents
Turboverdichtergehäuse, verfahren zur herstellungInfo
- Publication number
- EP3491247A1 EP3491247A1 EP17765404.3A EP17765404A EP3491247A1 EP 3491247 A1 EP3491247 A1 EP 3491247A1 EP 17765404 A EP17765404 A EP 17765404A EP 3491247 A1 EP3491247 A1 EP 3491247A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tcc
- axial
- inflow
- ina1
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
- F04D17/125—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors the casing being vertically split
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
Definitions
- Turbo compressor housing processes for preparing The invention relates to a turbo compressor housing extending along a longitudinal axis, wherein the Turboverdich ⁇ tergeophuse having an axial inflow Einströmungsab ⁇ section into an inner space and an outflow of an axial Abströmungsabterrorisms from the interior out.
- the invention relates to a method for producing the turbocompressor housing.
- Turbo compressors with corresponding housings are used in many places. There is a common need in the industry to deliver gases to a higher pressure.
- An example of such a compressor is shown in US Pat. Nos. 7, 156, 627 B2.
- the invention is concerned with such and similar compressors, the type of drive here is arbitrary and not of significant importance.
- Turbo compressors, in particular radial compressor of a type in which a shaft is arranged with ei ⁇ nem or more compressor wheels between two camps are also referred to as single-shaft compressor. So-called single-shaft compressors are the preferred field of application of the invention.
- Turbo compressor housing for the se ⁇ machines generally have a horizontal or a vertical parting line.
- turbocompressors are exposed to corrosive media, it is customary to produce these from a suitably corrosion-resistant material. Basically, it is sufficient to line or coat the turbocompressor housing in the wetted area with a corrosion-resistant material.
- the accessibility for coating the interior surface of the turbocompressor housing is regularly very difficult, sometimes impossible for corresponding welding machines. For this reason, some manual order welding be performed to the corrosion resistant
- the complete housing of a corrosion- ⁇ onsbe routen material for example from a corrosion resistant cast material.
- turbocompressor housing Based on the high manufacturing costs and the high Ma ⁇ material costs for a turbocompressor housing, which is suitable for conveying ⁇ tion of corrosive gases, it has the task of developing a turbo ⁇ compressor housing initially defined in such a way that with a ver ⁇ relatively low production cost despite a cost ⁇ reduction, a corrosion-resistant housing can be produced, preferably with less effort, lower costs and an increased degree of automation.
- the initially defined turbo ⁇ compressor housing has a coating in the area in which the medium to be conveyed also acts corrosive. This is particularly the case in the inflow into the Turboverêtrge ⁇ housing. Preferably, only the inflow section is coated corrosion-inhibiting and the outflow section does not have this coating.
- Turbo compressors, in particular radial turbocompressors have axially between an inflow and an outflow on a circumferentially extending seal which sealingly separates the axial Einströmungsab ⁇ section and inflow from the outflow section. In this case, the relatively low inflow pressure always prevails in the inflow region and the differential pressure between the inflow pressure and the outflow pressure rests on this seal.
- a plurality of circumferentially extending seals may be provided at axial distances from each other, the kaskardenartig the inflow pressure and the Abströmtik in pressure differential steps from each other.
- the axial inflow portion preferably only the axial inflow portion, corrosion must be performed constantly, because only there, the process fluid tends to condensation.
- axial inflow portion and “axial Abströmungsabites” means that the respective housing portion having an axial extension and depending ⁇ stays awhile axially extending housing portion a one ⁇ flow or outflow comprises. These terms do not mean that the inflow or outflow must extend axially.
- axial inflow portion and “axial outflow portion also as” axial housing portion with inflow "or
- the invention provides that a parting plane between the axial Einströmungsab ⁇ section and the axial outflow section is provided and these two sections are welded together by means of a Wandstär ⁇ ke extending weld .
- this construction makes it possible to first coat the inflow portion by an inner space of the turbo ⁇ compressor housing, and then welding together the two axial sections. Accordingly, the accessibility for the coating of the interior of the turbo is given bover Nathanstreuses and this type of coating can be carried out preferably automates Subsequently be ⁇ chd -.
- an advantageous development of the invention provides that axially between the parting plane and the inflow of the inflow section a radially inward into the interior protruding, extending in a circumferential direction paragraph, which is formed with an axially away from the inflow bearing surface as a sealing surface.
- the inflow section of the turbocompressor housing according to the invention also comprises the sealing shoulder, which keeps the potentially corrosive process medium in the inflow region away from the remaining regions of the turbocompressor housing.
- the coating region extends from a radially extending boundary plane axially into the interior from the parting plane, the boundary plane being arranged axially between the parting plane and the contact surface.
- the huiflä ⁇ che which is designed as a sealing surface is still part of the coated area, so that the gas to be compressed under the thermodynamic conditions in the inlet region at most up to the sealing surface formed as a contact surface comes into operation and accordingly only coated areas kontak ⁇ advantage.
- the coating is formed corrosion inhibiting. This means that the coating of the intended process gas for the compression process of the turbocompressor corrodes less quickly than the base material of the turbo ⁇ compressor housing in Einstömabites.
- the joining seam of the weld between the inflow section and the outflow section is not located in the coated area.
- Demenhneend the coating material can be freely selected from the
- At least the Einstömabêt to the longitudinal axis of the turbocompressor housing is formed rotationally symmetrical with respect to the contour of the interior.
- the Rota ⁇ tion symmetry should be such that an automated coating is possible. Any recesses, for example for an inflow, count in the inventive Terminology of rotational symmetry for the purpose of Automati ⁇ tion of the coating not to destroy the benö ⁇ required rotational symmetry. Also for reasons of cost, it is expedient if the Einströ ⁇ tion section is designed as a forged component and / or the outflow section as a cast component.
- Inventive ⁇ according to the axial inflow portion and the axial Abströmungsabites be provided.
- the interior of the inlet flow section is at least partially coated in a coating area with a coating.
- the inflow portion and the Abströ ⁇ tion section are welded together along a circumferentially extending, by means of a wall thickness extending weld in a radially duri ⁇ fenden dividing plane between the axial inflow section and the axial outflow section.
- Figure 1 is a schematic longitudinal section through a turbocompressor according to the invention
- Figure 2 is a representation of a schematic flow diagram of the method according to the invention.
- FIG. 1 shows a radial turbocompressor
- FIG. 1 shows internals of the turbocharger compressor. ters to the function of the turbo compressor housing TCC to ver ⁇ clear.
- a rotor R of the turbocharger compressor which belongs to a bundle CART to be installed in the turbocompressor housing TCC.
- On an axial end face of the turbo compressor housing TCC or a Mantelab ⁇ cut BCA of the turbo compressor housing TCC is closed by means of a releasable second cover CV2.
- the opposite axial end face (left) has a first cover CV1, which in the finished state is an integral part of the turbocompressor housing TCC and is not detachably fastened.
- the side of the non-detachable first lid CV1 has a ⁇ A flow INL, flows through the potentially corrosive process gas during operation of the turbocompressor.
- Inflow INL1 it comes with a higher probability to a condensation of the process gas, because the process gas can still be relatively cold, since no compaction ⁇ tion work has been entered irreversibly in the process gas. Due to the compression work in compressor stages, the process gas heats up significantly. Accordingly, the relative humidity of the gas decreases.
- outflow EXT1 Axially spaced from the inflow INL1 is the outflow EXT1, wherein the turbocompressor shown here has two outflows EXT, since the machine is double-flowed or double-flowed - that is to say also with two inflows INL1, INL2.
- the right side arranged Einströ ⁇ tion INL2 and outflow EXT are irrelevant for the invention.
- the inflow INL1 leads the process gas into an interior CAC of the turbo compressor housing TCC.
- the Turboverdich ⁇ tergeophuse TCC is ne SPL in a radially extending Trennebe- between an axial inflow portion and an axial inal Abströmungsabrough EXA1 along a line extending in the circumferential direction CDR, exclusively welded by means of a through the wall thickness extending weld WSE educated.
- the interior CAC of the inflow portion INAl is at least partially provided with a coating CLD in a coating area CLA.
- the inflow section INAl has a shoulder SSH projecting radially inwards into the interior CAC and extending in a circumferential direction CDR.
- the shoulder SSH is designed as a sealing surface CSF with a contact surface which points axially away from the inflow INL1.
- This sealing surface CSF seals the inflow INL1 relative to the outflow EXT to a corresponding sealing surface of the bundle CART. Accordingly, the thermodynamics of Einströ ⁇ mung INLl remains axially restricts the inflow portion inal loading.
- the invention proposes to coat only one coating region CLA, which extends from a radially extending boundary plane CLM axially into the interior CAC and away from the parting plane SPL, the boundary plane CLM being arranged axially between the parting plane SPL and the abutment surface.
- These corrosion-inhibiting coating ⁇ Be CLD prevented in the inflow portion Inal corrosion of the turbo compressor housing TCC.
- the joining seam of the weld between the inflow portion and the inal Abströmungsabites EXA1 not befin ⁇ det in the coated area. Therefore, the welding material and the material of the outflow section EXA1 can be selected independently of the material of the coating CLD.
- the inflow ⁇ ing section INAl is commercialbil ⁇ det as a forged component, wherein the outflow section EXA1 is formed as a cast component.
- FIG. 2 shows a flowchart of the method according to the invention for producing a turbocompressor housing TCC.
- the axial inflow section INA1 is provided with an axial one
- a second step b) an at least partially coating the interior of the CAC Einströmungsabschnit ⁇ tes inal with a coating in a CLD Be Schweizerungsbe- carried rich CLA.
- This step is preferably automated.
- a third step c) of the Einströmungsab be cut ⁇ inal and Abströmungsabrough EXAL together quantitative ⁇ welded along a line extending in the circumferential direction and through the entire wall thickness extending welding seam ⁇ WSE.
- the weld is located in a radial separating plane between the axial SPL Einströmungsab ⁇ cut inal and the axial Abströmungsabrough EXAL.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16190517.9A EP3299629A1 (de) | 2016-09-26 | 2016-09-26 | Turboverdichtergehäuse, verfahren zur herstellung |
| PCT/EP2017/072436 WO2018054691A1 (de) | 2016-09-26 | 2017-09-07 | Turboverdichtergehäuse, verfahren zur herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3491247A1 true EP3491247A1 (de) | 2019-06-05 |
| EP3491247B1 EP3491247B1 (de) | 2020-04-01 |
Family
ID=57113052
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16190517.9A Withdrawn EP3299629A1 (de) | 2016-09-26 | 2016-09-26 | Turboverdichtergehäuse, verfahren zur herstellung |
| EP17765404.3A Active EP3491247B1 (de) | 2016-09-26 | 2017-09-07 | Turboverdichtergehäuse, verfahren zur herstellung |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16190517.9A Withdrawn EP3299629A1 (de) | 2016-09-26 | 2016-09-26 | Turboverdichtergehäuse, verfahren zur herstellung |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP3299629A1 (de) |
| JP (1) | JP6667721B2 (de) |
| WO (1) | WO2018054691A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1018212C2 (nl) | 2001-06-05 | 2002-12-10 | Siemens Demag Delaval Turbomac | Compressoreenheid omvattende een centrifugaalcompressor en een elektromotor. |
| WO2006126993A1 (en) * | 2005-05-24 | 2006-11-30 | Honeywell International Inc. | Turbocharger compressor having improved erosion-corrosion resistance |
| ITCO20120015A1 (it) * | 2012-04-12 | 2013-10-13 | Nuovo Pignone Srl | Metodo per la prevenzione della corrosione e componente ottenuto mediante tale metodo |
| JP5986925B2 (ja) * | 2012-12-28 | 2016-09-06 | 三菱重工業株式会社 | 回転機械の製造方法、回転機械のめっき方法 |
| DE102014218581A1 (de) * | 2014-09-16 | 2016-03-17 | Siemens Aktiengesellschaft | Gehäuse einer Radialturbofluidenergiemaschine, Radialturbofluidenergiemaschine |
| DE102014218936A1 (de) * | 2014-09-19 | 2016-03-24 | Siemens Aktiengesellschaft | Radialturbofluidenergiemaschine, Verfahren zur Montage |
-
2016
- 2016-09-26 EP EP16190517.9A patent/EP3299629A1/de not_active Withdrawn
-
2017
- 2017-09-07 WO PCT/EP2017/072436 patent/WO2018054691A1/de not_active Ceased
- 2017-09-07 JP JP2019516133A patent/JP6667721B2/ja active Active
- 2017-09-07 EP EP17765404.3A patent/EP3491247B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018054691A1 (de) | 2018-03-29 |
| EP3299629A1 (de) | 2018-03-28 |
| JP2019529782A (ja) | 2019-10-17 |
| EP3491247B1 (de) | 2020-04-01 |
| JP6667721B2 (ja) | 2020-03-18 |
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