CN209324722U - Clearance self-adaptive centrifugal compressor - Google Patents
Clearance self-adaptive centrifugal compressor Download PDFInfo
- Publication number
- CN209324722U CN209324722U CN201822188337.6U CN201822188337U CN209324722U CN 209324722 U CN209324722 U CN 209324722U CN 201822188337 U CN201822188337 U CN 201822188337U CN 209324722 U CN209324722 U CN 209324722U
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- Prior art keywords
- coating
- centrifugal compressor
- rotating member
- clearance fit
- impeller
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- 238000000576 coating method Methods 0.000 claims abstract description 112
- 239000011248 coating agent Substances 0.000 claims abstract description 109
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005524 ceramic coating Methods 0.000 claims description 3
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 229910003470 tongbaite Inorganic materials 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000012958 reprocessing Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 22
- 244000126211 Hericium coralloides Species 0.000 description 17
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a centrifugal compressor of clearance self-adaptation, it includes: a rotating member; the fixed part is in clearance fit with the rotating part; and the first coating is filled in the clearance fit position between the rotating part and the fixing part, and the first coating can be worn away when the rotating part rotates, so that the rotating part and the fixing part automatically form a fit clearance. The utility model arranges the first coating which is easy to wear at the clearance fit position between the rotating part and the fixed part; in the rotating process of the rotating part, the first coating is worn away, so that a matching gap is automatically formed between the rotating part and the fixing part, the process is simple, the cost is low, the gap required by the operation of a machine can be ensured, the leakage caused by overlarge gap can be prevented, and the energy efficiency of the centrifugal compressor can be improved; the precision of the reprocessing process and the assembling process of the parts can be effectively reduced, and the assembling efficiency is improved.
Description
Technical field
The utility model relates to compressor field more particularly to a kind of centrifugal compressors that gap is adaptive.
Background technique
Currently, the turbomachines inner sealing such as centrifugal compressor, labyrinth seal form is generally used, it may be assumed that one fixed
Labyrinth seal part and rotor clearance cooperate.It when air-flow passes through from gap, flows through comb teeth and is whirled up, be equivalent to the work of throttling
With.Being equivalent to experience by multiple comb teeth, repeatedly throttling, pressure are gradually reduced and tend to back pressure.So comb tooth sealing structure can
It is leaked due to caused by pressure difference to avoid compressor inside.In general, comb teeth is more, and sealing effect is better.But due to
Structure is limited, and comb teeth number is with regard to limited.
Since labyrinth seal effect guarantees by gap, so needing to consider simultaneously axially and radially when manufacture, assembly
Gap leads to complex process, and higher cost.
Utility model content
One of purpose of the utility model is to propose a kind of centrifugal compressor that gap is adaptive, for solving in it
Portion's sealing technology is complicated, problem at high cost.
Some embodiments of the utility model provides a kind of centrifugal compressor comprising: rotating member；With the rotating member
Form the fixing piece of clearance fit；And first coating, the clearance fit being filled between the rotating member and the fixing piece
Place, the first coating can be worn, when the rotating member rotates so that between the rotating member and the fixing piece
Automatically form fit clearance.
Optionally, the first coating is set to the fixing piece.
Optionally, the first coating is set to the fixing piece and the rotating member forms the position of clearance fit.
Optionally, the first coating with a thickness of 1mm~2mm.
Optionally, the first coating includes sial polyphenyl rouge coating, sial equadag coating, ambrose alloy 3 SiC 2/graphite coating, cunning
Mountain flour coating, zirconia coating or nisiloy diatomaceous earth coating.
Optionally, the centrifugal compressor includes: second coating, is set to the rotating member.
Optionally, the second coating is set to the rotating member and the fixing piece forms the position of clearance fit.
Optionally, the second coating include cobalt coated tungsten carbide coating, polytetrafluorethylecoatings coatings, chromium carbide nickel-chromium coating or
Ceramic coating.
Optionally, the wear resistance of the second coating is greater than the wear resistance of the first coating.
Optionally, the rotating member includes at least one of impeller and shaft.
Optionally, the fixing piece includes at least one of spiral case, diffuser and cabinet.
Optionally, the rotating member includes impeller, and the clearance fit position between the impeller and the fixing piece is at least
Including the clearance fit portion between clearance fit position, the impeller and the cabinet between the impeller and the spiral case
One of them in clearance fit position between position, the impeller and the diffuser.
Optionally, the centrifugal compressor includes single-stage radial compressor or two stage centrifugal compressor.
Based on the above-mentioned technical proposal, the utility model at least has the advantages that
In some embodiments, it is applied by the way that easy to wear first is arranged at the clearance fit between rotating member and fixing piece
Layer；In the rotation process of rotating member, first coating is worn away, so that between automatically forming cooperation between rotating member and fixing piece
Gap, simple process and low cost, the gap needed when not only can guarantee machine run, but can prevent because gap it is excessive caused by leakage,
Be conducive to the promotion of centrifugal compressor efficiency；Also the precision that can be effectively reduced components reprocessing process and assembling process, mentions
High assembly efficiency.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the partial schematic diagram for the single-stage compressor that some embodiments of the utility model provide；
Fig. 2 is the partial schematic diagram for the double-stage compressor that some embodiments of the utility model provide；
The schematic diagram of first coating is set on the fixing piece that Fig. 3 provides for some embodiments of the utility model；
The schematic diagram of second coating is set on the impeller that Fig. 4 provides for some embodiments of the utility model；
The schematic diagram of second coating is set in the shaft that Fig. 5 provides for some embodiments of the utility model.
Numbering in the drawing:
1- rotating member；11- impeller；111- one stage impeller；112- sencond stage impeller；113- wheel cap；114- wheel hub；12- shaft；
2- fixing piece；21- spiral case；22- diffuser；23- comb tooth sealing structure；24- cabinet；
3- first coating；
4- second coating.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete
Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
The limitation of novel protected range.
As shown in Figure 1, the centrifugal compressor that some embodiments provide includes single-stage radial compressor.
Single-stage radial compressor includes spiral case 21, diffuser 22, cabinet 24, impeller 11 and shaft 12.
Spiral case 21 is set to the end of cabinet 24.Diffuser 22 and shaft 12 are set in cabinet 24.Impeller 11 is set to shaft 12,
The rotation of shaft 12 is with the rotation of impeller 11.
Clearance fit is formed between the partial portion and spiral case 21 and diffuser 22 of impeller 11.Such as: the wheel cap of impeller 11
Clearance fit is formed between spiral case 21, forms clearance fit between the wheel hub and diffuser 22 of impeller 11.
Clearance fit is formed between the partial portion and diffuser 22 of shaft 12.
As shown in Fig. 2, the centrifugal compressor that some embodiments provide includes two stage centrifugal compressor.
Two stage centrifugal compressor includes spiral case 21, diffuser 22, cabinet 24, impeller 11 and shaft 12.
Spiral case 21 is set to the end of cabinet 24, and diffuser 22 and shaft 12 are set in cabinet 24.Impeller 11 includes level-one leaf
Wheel 111 and sencond stage impeller 112.One stage impeller 111 and sencond stage impeller 112 are set to shaft 12, and shaft 12 is rotated to drive level-one
Impeller 111 and sencond stage impeller 112 rotate.
Clearance fit is formed between the partial portion and cabinet 24 and diffuser 22 of one stage impeller 11.Such as: one stage impeller
Clearance fit is formed between 11 wheel cap and cabinet 24, forms clearance fit between the wheel hub and diffuser 22 of one stage impeller 11.
Clearance fit is formed between the partial portion and cabinet 24 and spiral case 21 of sencond stage impeller 112.Such as: sencond stage impeller
Clearance fit is formed between 112 wheel cap and cabinet 24, forms clearance fit between the wheel hub and spiral case 21 of sencond stage impeller 112.
Clearance fit is formed between the partial portion and diffuser 22 and spiral case 21 of shaft 12.
Further, comb tooth sealing structure 23 can be set at the fit clearance between one stage impeller 111 and cabinet 24.It is excellent
Selection of land, comb tooth sealing structure 23 are set to cabinet 24, make to form clearance fit between comb tooth sealing structure 23 and impeller 11.
Similarly, at the fit clearance between one stage impeller 11 and diffuser 22, sencond stage impeller 112 and cabinet 24 and spiral case 21
Between fit clearance at and the fit clearance between shaft 12 and diffuser 22 and spiral case 21 at that comb teeth can be set is close
Seal structure 23 is sealed.Preferably, comb tooth sealing structure 23 is set to fixing piece 2.
Further, comb tooth sealing structure 23 is set to fixing piece 2, and comb tooth sealing structure 23 also corresponds to be fixing piece 2.
Impeller 11 and shaft 12 in above-mentioned single-stage radial compressor and two stage centrifugal compressor belong to rotating member 1.
Spiral case 21, diffuser 22, cabinet 24 and comb tooth sealing structure 23 belong to fixing piece 2.
Further, diffuser 22 can be integral with spiral case 21, return channel processing.
Further, comb tooth sealing structure 23 can be processed integrally with spiral case 21, cabinet 24, diffuser 22.
In order to improve the sealing effect of the clearance fit between above-mentioned rotating member 1 and fixing piece 2, what some embodiments provided
Centrifugal compressor comprising rotating member 1, the fixing piece 2 and first coating 3 that clearance fit is formed with rotating member 1.
First coating 3 is filled at the clearance fit between rotating member 1 and fixing piece 2.In centrifugal compressor assembling process
In, due to the presence of first coating 3, at the clearance fit that rotating member 1 is formed between the fixing piece 2 being matched therewith and fixation
Part 2 completely attaches to, or has certain pressure.First coating 3 can be worn, when rotating member 1 rotates so that rotating member
Fit clearance is automatically formed between 1 and fixing piece 2.Relative to the form of existing setting comb tooth sealing structure, the sealing of the disclosure
Simple process, and cost is relatively low.
Further, first coating 3 is coating easy to wear.
In some embodiments, by the way that easy to wear first is arranged at the clearance fit between rotating member 1 and fixing piece 2
Coating 3.In the rotation process of rotating member 1, first coating 3 is worn away, so that automatic shape between rotating member 1 and fixing piece 2
At fit clearance, simple process and low cost, the gap needed when not only can guarantee machine run, but also can prevent from leading because gap is excessive
The leakage problem of cause is conducive to the efficiency for promoting centrifugal compressor；And it can be effectively reduced components reprocessing process and assembly
The precision of process improves assembly efficiency.
In some embodiments, as shown in figure 3, first coating 3 is set to fixing piece 2.First coating 3 is coating easy to wear,
By coating easy to wear be set to fixing piece 2, rather than be set to rotating member 1, be due to: if by coating easy to wear be set to rotating member 1, turn
Moving part 1 can fall the coating abrasion easy to wear on its surface in rotary course, and the abrasion loss and abration position of coating easy to wear
It is uncertain, it will have a direct impact on the whole dynamic balance of rotating member 1, therefore, first coating 3 is set to fixing piece 2 as coating easy to wear.
In some embodiments, first coating 3 is set to fixing piece 2 and rotating member 1 forms the position of clearance fit, not solid
The all sites for determining part 2 are equipped with first coating 3.
In some embodiments, first coating 3 before being worn with a thickness of 1mm~2mm.The thickness of first coating 3 is too
It is thin, can be because shearing force to be wiped off when rotating, the thickness of first coating 3 is too thick, there are problems that coating waste increases cost.
Further, first coating 3 is arranged by coating technology or coating technology.
Optionally, the abradable coating material that first coating 3 uses includes coating answering for core by metal or heat-resisting alloy
Condensation material.
Such as: first coating 3 is formed using nickel bag graphite material.
First coating 3 adds nonmetallic materials on metal body, weakens metal globality, enhances abradable energy.
In some embodiments, first coating 3 includes sial polyphenyl rouge coating, sial equadag coating, the painting of ambrose alloy 3 SiC 2/graphite
Layer, talcum powder coating, zirconia coating or nisiloy diatomaceous earth coating etc..
First coating 3 will form smooth surface after friction, will not have a negative impact to air-flow, while first coating 3
The break-out material of use will not be transferred to rotating member 1, will not influence the whole dynamic balance of rotating member 1.
In some embodiments, as shown in Figure 4, Figure 5, centrifugal compressor includes second coating 4, and second coating 4, which is set to, to be turned
Moving part 1.Second coating 4 is wear-resistant coating.It is formed in the surface coated with hard wear-resistant material of the rotating members 1 such as impeller 11, shaft 12
Wear-resistant coating improves the rub proofness of rotating member 1.
Further, the wear resistance of second coating 4 is greater than the wear resistance of first coating 3.
In some embodiments, second coating 4 is set to rotating member 1 and fixing piece 2 forms the position of clearance fit.Second applies
Layer 4 is preferably the contact site with first coating 3 in the spraying position of rotating member 1.
Since second coating 4 is not easy to be worn away during rotating member 1 rotates, if second coating 4 set
It is placed in the surface of entire rotating member 1, then the progress of rotating member 1 dynamic balancing will be highly difficult, turns it is therefore preferable that second coating 4 is set to
The position that clearance fit is formed with fixing piece 2 of moving part 1.
Second coating 4 is only set to the position contacted on rotating member 1 with first coating 3, can effectively avoid dynamic to rotating member 1
The influence of balance.
Due to the wearability difference for two kinds of materials that first coating 3 is used with second coating 4, when centrifugal compressor operates
When, the low material of wearability, i.e. first coating 3 can be ground off, to reach adaptive gap, is effectively avoided because of preset clearance amount
Leakage problem caused by excessive, to improve the efficiency of centrifugal compressor.
In some embodiments, second coating 4 includes cobalt coated tungsten carbide coating, polytetrafluorethylecoatings coatings, chromium carbide nickel-chromium
Coating or ceramic coating.
In some embodiments, the thickness range of second coating 4 is 1mm~2mm.
In some embodiments, rotating member 1 includes at least one of impeller 11 and shaft 12
In some embodiments, fixing piece 2 includes at least spiral case 21, diffuser 22, cabinet 24 and comb tooth sealing structure
One of 23.
In some embodiments, rotating member 1 includes impeller 11, and the clearance fit position between impeller 11 and fixing piece 2 is extremely
Less including impeller 11 wheel cap 113 and spiral case 21 between clearance fit position, impeller 11 wheel cap 113 and cabinet 24 between
Clearance fit position, impeller 11 wheel hub 114 and diffuser 22 between clearance fit position and impeller 11 radially outlet
One of them in clearance fit position between place and spiral case 21.
Optionally, as shown in figure 3, on the fixing pieces 2 such as spiral case 21, comb tooth sealing structure 23 and diffuser 22, and with turn
The surface of 1 clearance fit of moving part sprays first coating 3 (one layer of break-out material), make impeller 11 wheel cap 113 and spiral case 21,
The radially outlet of the wheel cap 113 and comb tooth sealing structure 23 of impeller 11, the wheel hub 114 of impeller 11 and diffuser 22 and impeller 11
Certain pretightning force is contacted or had between place and spiral case 21, it, can will be easy to wear when the rotation of 12 impeller 11 of shaft
First coating 3 grinds off a part, automatically forms the gap of needs, effectively to control the wheel cap 113 and spiral case 21, impeller of impeller 11
Gap between 11 wheel hub 114 and diffuser 22 etc..And then excessively revealed caused by eliminating because preset clearance is excessive
Problem reduces the efficiency of small cooling capacity compressor.
In some embodiments, labyrinth seal can be first arranged in the clearance fit position of above-mentioned rotating member 1 and fixing piece 2
Structure 23.Preferably, comb tooth sealing structure 23 is set to fixing piece 2.Further, setting first applies on comb tooth sealing structure 23
Layer 3.When avoiding only being sealed by comb tooth sealing structure 23, in manufacture, assembly, the axially and radially clearance fit of generation
The problem of precision, simplifies technique, reduces cost.
In some embodiments, centrifugal compressor includes single-stage radial compressor and two stage centrifugal compressor.
Centrifugal compressor uses coating structure provided by the above embodiment, can effectively solve the problem that compressor seal problem, makes
Gap can preferably be controlled with coating structure easy to wear, prevent because gap it is excessive caused by compressor excessively reveal, and
The problem of compressor efficiency reduces.
In the description of the present invention, it should be understood that limiting zero using the words such as " first ", " second "
Part, it is only for convenient for distinguishing to above-mentioned parts, there is no Stated otherwise such as, above-mentioned word there is no particular meaning,
Therefore it should not be understood as the limitation to scope of protection of the utility model.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (13)
1. a kind of centrifugal compressor characterized by comprising
Rotating member (1)；
The fixing piece (2) of clearance fit is formed with the rotating member (1)；And
First coating (3) is filled at the clearance fit between the rotating member (1) and the fixing piece (2), and described first applies
Layer (3) can be worn, when the rotating member (1) rotates so that between the rotating member (1) and the fixing piece (2)
Automatically form fit clearance.
2. centrifugal compressor as described in claim 1, which is characterized in that the first coating (3) is set to the fixing piece
(2)。
3. centrifugal compressor as claimed in claim 2, which is characterized in that the first coating (3) is set to the fixing piece (2)
The position of clearance fit is formed with the rotating member (1).
4. centrifugal compressor as described in claim 1, which is characterized in that the first coating (3) with a thickness of 1mm~2mm.
5. centrifugal compressor as described in claim 1, which is characterized in that the first coating (3) includes that sial polyphenyl rouge applies
Layer, sial equadag coating, ambrose alloy 3 SiC 2/graphite coating, talcum powder coating, zirconia coating or nisiloy diatomaceous earth coating.
6. centrifugal compressor as claimed in any one of claims 1 to 5 characterized by comprising second coating (4) is set to institute
State rotating member (1).
7. centrifugal compressor as claimed in claim 6, which is characterized in that the second coating (4) is set to the rotating member (1)
The position of clearance fit is formed with the fixing piece (2).
8. centrifugal compressor as claimed in claim 6, which is characterized in that the second coating (4) includes that cobalt coated tungsten carbide applies
Layer, polytetrafluorethylecoatings coatings, chromium carbide nickel-chromium coating or ceramic coating.
9. centrifugal compressor as claimed in claim 6, which is characterized in that the wear resistance of the second coating (4) is greater than described
The wear resistance of first coating (3).
10. centrifugal compressor as described in claim 1, which is characterized in that the rotating member (1) include at least impeller (11) and
One of shaft (12).
11. centrifugal compressor as described in claim 1, which is characterized in that the fixing piece (2) include at least spiral case (21),
One of diffuser (22) and cabinet (24).
12. centrifugal compressor as claimed in claim 11, which is characterized in that the rotating member (1) includes impeller (11), described
Clearance fit position between impeller (11) and the fixing piece (2) include at least the impeller (11) and the spiral case (21) it
Between clearance fit position, the clearance fit position between the impeller (11) and the cabinet (24), the impeller (11) with
One of them in clearance fit position between the diffuser (22).
13. centrifugal compressor as described in claim 1, which is characterized in that the centrifugal compressor includes one-stage centrifugal compression
Machine or two stage centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188337.6U CN209324722U (en) | 2018-12-25 | 2018-12-25 | Clearance self-adaptive centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188337.6U CN209324722U (en) | 2018-12-25 | 2018-12-25 | Clearance self-adaptive centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324722U true CN209324722U (en) | 2019-08-30 |
Family
ID=67728613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188337.6U Active CN209324722U (en) | 2018-12-25 | 2018-12-25 | Clearance self-adaptive centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209324722U (en) |
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2018
- 2018-12-25 CN CN201822188337.6U patent/CN209324722U/en active Active
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