CN109139526A - The sealing property detecting method and device of centrifugal compressor daul-side dry round gas seal - Google Patents
The sealing property detecting method and device of centrifugal compressor daul-side dry round gas seal Download PDFInfo
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- CN109139526A CN109139526A CN201810833314.8A CN201810833314A CN109139526A CN 109139526 A CN109139526 A CN 109139526A CN 201810833314 A CN201810833314 A CN 201810833314A CN 109139526 A CN109139526 A CN 109139526A
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- seal
- centrifugal compressor
- pressure
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- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000002955 isolation Methods 0.000 claims abstract description 71
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 437
- 238000001514 detection method Methods 0.000 claims description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 229910052757 nitrogen Inorganic materials 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000011068 loading method Methods 0.000 claims description 8
- 238000012797 qualification Methods 0.000 claims description 6
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D29/002—Details, component parts, or accessories 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This application discloses the sealing property detecting methods and device of a kind of centrifugal compressor daul-side dry round gas seal, it is related to centrifugal compressor technical field, after daul-side dry round gas seal and centrifugal compressor assembly may be implemented, the overall gas sealing performance of centrifugal compressor unit is detected.Wherein method includes: after daul-side dry round gas seal and centrifugal compressor assembly, blanket gas is filled with to the blanket gas region of dry gas seals and is filled with isolation gas to isolation gas region, and the pressure that gas is isolated and the pressure of blanket gas is made to meet the pressure criteria reached when centrifugal compressor daul-side dry round gas seal runs well；By monitoring blanket gas region respectively and the loine pressure and air inflow in gas region being isolated, and the capacity of daul-side dry round gas seal is combined, determines the sealing performance of centrifugal compressor daul-side dry round gas seal.The sealing performance that the application is suitable for centrifugal compressor daul-side dry round gas seal detects.
Description
Technical field
This application involves centrifugal compressor technical fields, more particularly to a kind of centrifugal compressor daul-side dry round gas seal
Sealing property detecting method and device.
Background technique
Centrifugal compressor is a kind of important strategic type equipment, is widely used in oil refining, chemical fertilizer, refrigeration, liquefaction naturally
The chemical-process such as gas (Liquefied Natural Gas, LNG).Its working media common are: ammonia, propylene, natural gas,
Petroleum rich gas, carbon monoxide, methanol, ethylene, hydrogen etc., wherein many media all have the spies such as inflammable, explosive, toxic, harmful
Point.
In order to guarantee the safety of centrifugal compressor, a kind of daul-side dry round gas seal is commonly used as shaft end seal to guarantee machine
The working media of group will not be to unit outward leakage, to avoid security risk and environmental pollution is caused.This sealing is as a kind of anti-
It is extremely important to seal maintainability for the sealing performance of gas for the only shaft end seal of outward leakage.
Currently, this daul-side dry round gas seal must produce in qualified factory, and after the completion of generation, it is necessary to
Gas seal property test is carried out, in factory to guarantee the safety of sealing.The casing of centrifugal compressor is in centrifugal compressed
After the completion of being produced in machine factory, it is also desirable to carry out the experiments of sealing performance of gas, in centrifugal compressor factory to guarantee centrifugal compressed
The gas seal property and working media of machine casing will not be leaked externally.However, when daul-side dry round gas seal and centrifugation
After compressor assembly, for the overall sealing performance of centrifugal compressor unit, at present and there are no effective detection means.
Summary of the invention
In view of this, this application provides a kind of sealing property detecting method of centrifugal compressor daul-side dry round gas seal and
Device, main purpose are to solve after daul-side dry round gas seal and centrifugal compressor assembly, for centrifugal compressor unit
The problem of overall sealing performance, at present and there are no effective detection means.
On one side according to the application, a kind of sealing performance detection side of centrifugal compressor daul-side dry round gas seal is provided
Method, this method comprises:
Impurity cleaning is carried out to the cavity of centrifugal compressor；
The host machine part of the centrifugal compressor is installed, and utilizes the specific purpose tool of dry gas seals by daul-side dry round gas seal
It is mounted on the corresponding position of the centrifugal compressor, and corresponding pipe fitting and mating detection device is installed, wherein described double
End face dry gas seals include blanket gas region and isolation gas region；
It is filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, and makes the blanket gas
Pressure meets predetermined test pressure standard；
It is filled with the corresponding isolation gas of the daul-side dry round gas seal to the isolation gas region, and makes the isolation gas
Pressure and the pressure of the blanket gas meet the pressure mark reached when the centrifugal compressor daul-side dry round gas seal runs well
It is quasi-；
By monitoring the loine pressure and air inflow in the blanket gas region and the isolation gas region respectively, and combine institute
The capacity for stating daul-side dry round gas seal determines the sealing performance of the centrifugal compressor daul-side dry round gas seal.
On the other hand according to the application, a kind of sealing performance detection of centrifugal compressor daul-side dry round gas seal is provided
Device, the device include:
Unit is cleared up, carries out impurity cleaning for the cavity to centrifugal compressor；
Installation unit, for installing the host machine part of the centrifugal compressor, and will using the specific purpose tool of dry gas seals
Daul-side dry round gas seal is mounted on the corresponding position of the centrifugal compressor, and the corresponding pipe fitting of installation and mating detection are set
It is standby, wherein the daul-side dry round gas seal includes blanket gas region and isolation gas region；
Inflation unit for being filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, and makes
The pressure for obtaining the blanket gas meets predetermined test pressure standard；
Inflation unit is also used to be filled with the corresponding isolation gas of the daul-side dry round gas seal to the isolation gas region, and
So that the pressure of the isolation gas and the pressure satisfaction of the blanket gas are reaching the centrifugal compressor daul-side dry round gas seal just
Often pressure criteria when operating；
Monitoring unit, for by respectively monitoring the blanket gas region and the isolation gas region loine pressure and into
Tolerance, and in conjunction with the capacity of the daul-side dry round gas seal, determine the sealing of the centrifugal compressor daul-side dry round gas seal
Performance.
According to the application another aspect, a kind of storage equipment is provided, computer program, described program are stored thereon with
The sealing property detecting method of above-mentioned centrifugal compressor daul-side dry round gas seal is realized when being executed by processor.
According to the application another aspect, a kind of sealing performance detection of centrifugal compressor daul-side dry round gas seal is provided
Entity apparatus, on a storage device and the computer journey that can run on a processor including storage equipment, processor and storage
Sequence, the processor realize the sealing performance detection side of above-mentioned centrifugal compressor daul-side dry round gas seal when executing described program
Method.
By above-mentioned technical proposal, a kind of sealing performance inspection of centrifugal compressor daul-side dry round gas seal provided by the present application
Method and device is surveyed, compared with current existing way, the application carries out impurity cleaning to the cavity of centrifugal compressor first, double
After end face dry gas seals and centrifugal compressor assembly, corresponding pipe fitting and mating detection device are connected, then to Double End dry gas
The blanket gas region and isolation gas region of sealing are filled with blanket gas and isolation gas respectively, finally by monitoring blanket gas region respectively
With the loine pressure and air inflow in isolation gas region, and the capacity of daul-side dry round gas seal is combined, determines that centrifugal compressor is double
The sealing performance of end face dry gas seals realizes the overall tightness of unit after daul-side dry round gas seal and centrifugal compressor assembly
Effective detection of energy, leakproofness qualification, the dry gas seals of Double End that can provide dry gas seals and casing cooperation position work
Whether whether normal, dry gas seals performance indexes meets the guiding foundation such as expected for face work.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, below the special specific embodiment for lifting the application.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the application
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of sealing performance detection of centrifugal compressor daul-side dry round gas seal provided by the embodiments of the present application
Method flow schematic diagram；
Fig. 2 shows the overall gas after daul-side dry round gas seal provided by the embodiments of the present application and centrifugal compressor assembly
The example schematic of sealing performance detection；
Fig. 3 shows a kind of sealing performance detection of centrifugal compressor daul-side dry round gas seal provided by the embodiments of the present application
The structural schematic diagram of device；
Fig. 4 shows a kind of sealing performance detection of centrifugal compressor daul-side dry round gas seal provided by the embodiments of the present application
The entity structure schematic diagram of device.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
It is close for the overall gas of centrifugal compressor unit for after daul-side dry round gas seal and centrifugal compressor assemble
The problem of sealing property, at present and there are no effective detection means, it is dry to present embodiments provide a kind of centrifugal compressor Double End
The sealing property detecting method of hermetic seal, joint gas at rest carries out dry gas sealing property detection, to guarantee that Double End dry gas is close
Envelope and the overall gas sealing performance after centrifugal compressor assembly, and the main performance index for examining sealing can be provided, such as Fig. 1 institute
Show, this method comprises:
101, impurity cleaning is carried out to the cavity of centrifugal compressor.
The present embodiment is needed before daul-side dry round gas seal and centrifugal compressor assembly to centrifugal compressor
Impurity, burr and oil substances in cavity etc. are cleared up, and the sealing performance of dry gas seals is avoided to be affected, to guarantee
The sealing performance detection accuracy of daul-side dry round gas seal.And it can be for for centrifugal compressed for the executing subject of the present embodiment
The device or equipment of the sealing performance detection of machine daul-side dry round gas seal, trigger this implementation after receiving corresponding detection instruction
Process shown in example.
In order to realize better impurity cleaning effect, step 101 be can specifically include as a preferred method: polishing
Centrifugal compressor dry gas seals region cavity；And clear up centrifugal compressor host region cavity and dry gas seals region cavity.
For example, polishing compressor dry gas seals region cavity, guarantees the inside Glabrous thorn；Compressor cavity is cleared up, guarantees that cavity is clean
Only；Compressor dry gas seals region cavity is cleared up, guarantees that cavity is clean, is not allow for impurity, is not allow for oil substances.
102, the host machine part of centrifugal compressor is installed, and utilizes the specific purpose tool of dry gas seals by daul-side dry round gas seal
It is mounted on the corresponding position of centrifugal compressor, and corresponding pipe fitting and mating detection device is installed.
Wherein, daul-side dry round gas seal includes blanket gas region and isolation gas region, and blanket gas region is close to centrifugal compressed
The host machine part of machine, outside of the isolation gas region in blanket gas region.It here is in Double End dry gas for the effect that gas is isolated
With after centrifugal compressor assembly, isolation impurity enters blanket gas region when unit runs well, dry to avoid damage for sealing
Hermetic seal, at the same provide meet sealing performance detection requirement, i.e., with the pressure difference of blanket gas.
Mating detection device may include pressure gauge, flowmeter etc.；Pipe fitting may include auxiliary equipment, pipeline, valve etc..For this
Embodiment is needed to clear up these pipe fittings and mating detection device, be avoided before installation pipe fitting and mating detection device
The sealing performance of dry gas seals is affected, to guarantee the sealing performance detection accuracy of daul-side dry round gas seal.
The assembly that daul-side dry round gas seal and centrifugal compressor can be realized by above-mentioned installation process, after assembly,
In order to guarantee that assembly is correct, as a preferred method, the present embodiment may also include that detection centrifugal compressor host region,
Whether daul-side dry round gas seal and corresponding pipe fitting and mating detection device are installed correctly；If installation is incorrect, carry out corresponding
Adjustment, if installation is correctly carrying out next step charge operation.
For example, host region, daul-side dry round gas seal and corresponding pipe fitting and the mating detection of detectable centrifugal compressor
Whether equipment is correctly installed all in accordance with the size on installation drawing, if needing to carry out mounting and adjusting without correctly installing, with
Ensure that there is no to leak.
103, it is filled with the corresponding blanket gas of daul-side dry round gas seal to blanket gas region, and the pressure of blanket gas is met
Predetermined test pressure standard.
Wherein, the type for the blanket gas being filled with to blanket gas region can be carried out selecting in advance according to actual needs standby
With.Predetermined test pressure standard is referred to the test pressure standard of history and the test pressure standard of default setting carries out in advance
Setting.In the present embodiment, the sealing for meeting predetermined test pressure standard is filled with to the blanket gas region of daul-side dry round gas seal
Gas, to reach the detection of the sealing performance of dry gas seals.
104, it is filled with the corresponding isolation gas of daul-side dry round gas seal to isolation gas region, and to be isolated the pressure of gas and close
The pressure of envelope gas meets the pressure criteria reached when centrifugal compressor daul-side dry round gas seal runs well.
Wherein, the type of the isolation gas for being filled with to isolation gas region can carry out selecting standby in advance according to actual needs
With.In the present embodiment, the isolation gas for meeting test requirements document is filled with to the isolation gas region of daul-side dry round gas seal, for being isolated
Impurity enters blanket gas region, avoids damage dry gas seals.
105, by monitoring blanket gas region respectively and the loine pressure and air inflow in gas region being isolated, and Double End is combined
The capacity of dry gas seals determines the sealing performance of centrifugal compressor daul-side dry round gas seal.
Phase can be generated after the sealing performance for determining centrifugal compressor daul-side dry round gas seal for the present embodiment
The examining report answered, feeds back to relevant staff.It, can be with output character, picture, sound if detected there are sealing leak
Frequently, the warning information such as video, light, vibration, and while feeding back examining report, it can also feed back together and sealing leak occur
The reason of which has, what corresponding solution is.
In order to illustrate the specific implementation process of step 105, step 105 be can specifically include as a preferred method: inspection
Whether the inlet pressure for surveying blanket gas region and isolation gas region can pressure maintaining under the conditions of predetermined pressure；If blanket gas region and every
Inlet pressure from gas region can pressure maintaining under the conditions of predetermined pressure, it is determined that there is no leakages for daul-side dry round gas seal；If close
Sealing gas region and the inlet pressure in gas region is isolated cannot pressure maintaining under the conditions of predetermined pressure, it is determined that daul-side dry round gas seal is deposited
In sealing leak.
For example, blanket gas region and isolation gas region inlet pressure whether can the pressure maintaining in the case where setting pressure condition, that is, press
Power will not decline, if pressure declines, illustrating daul-side dry round gas seal, there are sealing leaks；If pressure does not decline, explanation
The sealing performance of daul-side dry round gas seal is fine.
It should be noted that needing will be at blanket gas area entry before the inlet pressure measurement in blanket gas region
Pressure in pressure gauge is adjusted to dry gas seals maximum static pressure, then measures in the inlet pressure for being sealed gas region,
It can guarantee the sealing performance testing conditions for meeting dry gas seals in this way, improve the accurate of the sealing performance detection of dry gas seals
Degree.Wherein, dry gas seals maximum static pressure can be analyzed according to gross data by Seal Design department and be provided.
Further, as the extension of the present embodiment and refinement, it is close that centrifugal compressor Double End dry gas is carried out for convenience
The sealing performance of envelope detects, and the blanket gas and isolation gas being filled with respectively in the blanket gas region of dry gas seals and isolation gas region are all
Nitrogen can be used.Correspondingly, step 105 specifically can also include: to obtain blanket gas region and isolation gas region to be filled with nitrogen
Consumed total air consumption；Then it calculates the air inflow in blanket gas region and the sum of the air inflow in gas region is isolated, and will
To and value be compared with air consumption total consumed by nitrogen is filled with；If being somebody's turn to do and value being equal with total air consumption, really
The corresponding loading line of daul-side dry round gas seal is determined without sealing leak；If should and be worth and be less than total air consumption, it is determined that both-end
There are sealing leaks for the corresponding loading line of face dry gas seals.
It is all nitrogen that due to the blanket gas region of dry gas seals and isolation, gas region, which is filled with, can use a master
Pipeline is responsible for nitrogen and is filled with, then flow through blanket gas region and isolation the respective subtube in gas region reach blanket gas region and every
From gas region, and then realize that blanket gas region is filled with blanket gas and isolation gas region is filled with isolation gas, at this moment if main pipeline nitrogen
The total air consumption of gas is equal with the sum of the nitrogen amount that the two regions are filled with, and illustrates loading line favorable sealing property；If main
The total air consumption of pipeline nitrogen is greater than the sum of the nitrogen amount that is filled with of the two regions, then illustrate loading line there are sealing leak,
That is pipeline gas leakage.
It should be noted that needing the dry gas seals static state gas leakage with preset standard when the air inlet measurement in blanket gas region
Amount compares, wherein the dry gas seals static state air leakage of the preset standard can be by Seal Design department according to gross data point
Analysis provides.It, will if the air inlet measurement in blanket gas region is less than or equal to the dry gas seals static state air leakage of preset standard
The air inlet measurement in blanket gas region is determined as the air inflow in blanket gas region；If the air inlet measurement in blanket gas region is big
In the dry gas seals static state air leakage of preset standard, it is determined that the air inlet measurement in blanket gas region is unqualified numerical value.It is logical
Cross this mode, it is ensured that the air inflow in the blanket gas region of measurement complies with standard, and realizes the sealing performance of dry gas seals
Accurate detection.
Further, dry gas seals isolating seal and centrifugation are configured with after centrifugal compressor and daul-side dry round gas seal assembly
The seal type of compressor shaft end seal, the isolating seal and the shaft end seal is all labyrinth seal.In actual scene, centrifugation
Dry gas seals isolating seal and centrifugal compressor shaft end seal are configured with after compressor and daul-side dry round gas seal assembly.Wherein do
The seal type of hermetic seal isolating seal is labyrinth seal, certainly exists gas leakage, gas leakage direction is the right side by isolating seal
To the direction gas leakage of bearing oil extraction area, the air leakage at this can be calculated with formula theoretical air leakage (it is relatively accurate it is theoretical with
Actually there is deviation, the left side of sealing is that its pressure of the oil extraction area of bearing is regarded as atmospheric pressure, and the right atrial pressure of sealing can be recognized
For be sealing sealing atmospheric pressure, then have the gap for knowing sealing and seal tooth quantity can calculate an air leakage, should
Data are provided by sealing factory；Type for centrifugal compressor shaft end seal is labyrinth seal, is for being isolated in compressor
Process gas and dry gas seals internal gas, here and certainly exist by the air leakage of dry gas seals lateral compression pusher side, by
More in the number of teeth of shaft end seal, the molecular weight of nitrogen is larger, and air leakage is relatively small, it may be considered that can not also consider, such as
Fruit considers the left side of the sealing for isolation atmospheric pressure, and the right side of sealing can regard atmospheric pressure as, it is known that the gap of sealing and the number of teeth
It can post and calculate air leakage.
In the above scenario, step 105 specifically can also include: to calculate isolation gas region as a preferred method,
The sum of gas tolerance and the blanket gas tolerance of daul-side dry round gas seal is isolated, obtains Q1；And calculate the exhaust of daul-side dry round gas seal
The sum of tolerance, the air leakage of isolating seal and air leakage of shaft end seal, obtain Q2；Judge that Q1 subtracts Q2 and subtracts shaft end seal again
The obtained difference of theoretical air leakage, whether the gap between the air leakage of dry gas seals isolating seal be less than preset threshold,
That is the difference air leakage that whether is approximately equal to dry gas seals isolating seal；If so, by the difference and sealing factory's isolating seal
Air leakage, which compares, judges whether qualification.The isolating seal of daul-side dry round gas seal can be accurately determined in this way
Situation.
It, can be accurate in order to guarantee the difference between the air inflow that gas region is isolated and the capacity of daul-side dry round gas seal
As the air leakage of daul-side dry round gas seal isolating seal, alternatively, which be can specifically include: by the difference
Value is compared with the dry gas seals of preset standard isolation air leakage, wherein air leakage is isolated in the dry gas seals of the preset standard
It can be analyzed and be provided according to gross data by Seal Design department；If the difference be less than or equal to preset standard dry gas seals every
From air leakage, then using the difference as the air leakage of daul-side dry round gas seal isolating seal；If the difference is greater than the pre- bidding
Air leakage is isolated in quasi- dry gas seals, it is determined that the difference is unqualified numerical value.In this way, it is ensured that is obtained is double
The air leakage of end face dry gas seals isolating seal complies with standard, and realizes the accurate parameter detection of the sealing performance of dry gas seals.
In order to facilitate the specific implementation process for understanding the present embodiment, following application scenarios are provided, but are not limited to:
For example, as shown in Fig. 2, being examined for the overall gas sealing performance after daul-side dry round gas seal and centrifugal compressor assembly
The example schematic of survey is divided into driving side seal and non-drive side sealing according to the position between centrifugal compressor and driving machine.
Wherein, Y1, Y2, Y3, Y4 are respectively the inlet and outlet of centrifugal compressor, need to be shut with blind flange；
S1, S1 ' it is centrifugal compressor once balance port, it needs to be linked together with adapter tube；
S, S ' is centrifugal compressor secondary balancing port, needs to be shut with blind flange；
A, A ' is isolation gas entrance, is filled with isolation nitrogen；
B, B ' is dry gas seals blanket gas entrance, is filled with sealing nitrogen；
C, C ' is dry gas seals exhaust outlet, connects pressure gauge, flowmeter；
D, D ' is that port is isolated in dry gas seals, is shut with blind flange；
P, P ' is condensate drain mouth, is shut with blind flange.
Equipment is source nitrogen M (usually bottled nitrogen, pressure are higher than test pressure), (control of gate valve 1 respectively in Fig. 2
Source nitrogen release gas switch), filter 2 (since seal request precision is higher, filtering accuracy is made by filter
Be 1 micron), pressure reducing valve 3 (so that be filled with nitrogen decompression with guarantee test safety), flowmeter 4 (monitoring nitrogen total air inlet
Amount), pressure-regulating valve 5 (adjust isolation atmospheric pressure make be isolated gas pressure and blanket gas pressure satisfaction reach centrifugal compressed
Pressure criteria when machine daul-side dry round gas seal runs well), flowmeter 6 air inflow of gas (monitoring isolation), pressure-regulating valve 7
(adjusting the pressure that sealing atmospheric pressure makes gas pressure reach test pressure needs), flowmeter 8 (air inflow of monitoring blanket gas),
Flowmeter 9 (flow of monitoring dry gas seals gas exhaust piping), pressure gauge G1 (for monitoring the pressure in main line), pressure gauge
G2, G3 (for monitoring the pressure in branch pipe).
Based on the example in Fig. 2, there can be following determination method:
A, by G2, the pressure of G3 whether can in the case where setting pressure condition pressure maintaining (i.e. pressure will not decline), it can be determined that
With the presence or absence of sealing leak；
B, what flowmeter 4 monitored is total air consumption；
C, it is the air consumption that gas is isolated that flowmeter 6, which monitors,；
D, what flowmeter 8 monitored is the air consumption (namely total air leakages of dry gas seals) of blanket gas；
E, what flowmeter 9 monitored is sealing capacity；
F, flow+flowmeter 8 is monitored by flowmeter 6 and monitors whether the sum of flow is equal to the monitoring flow of flowmeter 4, can sentenced
Determine pipeline whether sealing leak；
G, the difference that flowmeter 8 monitors the monitoring flow of flow-flowmeter 9 is approximately equal to the air leakage of dry gas seals isolating seal.
Illustrate: 1) pressure should be adjusted to dry gas seals maximum static pressure in pressure gauge G3, and the pressure is by Seal Design
Unit provides；
2) flowmeter 8 show flow will with Seal Design unit provide dry gas seals static state air leakage compared with pair；Stream
The flow that meter 8 is shown is qualification no more than dry gas seals static state air leakage；
3) flowmeter 7- flowmeter 9 is approximately equal to the air leakage of dry gas seals isolating seal, which is measured value；Need with
For the dry gas seals isolation air leakage that Seal Design unit provides compared to pair, being less than the numerical value is qualification.
4) flowmeter 8+ flowmeter 6- flowmeter 9- shaft end seal theoretical calculation air leakage=dry gas seals isolating seal leakage
Tolerance, then it is whether qualified with the theoretical dry gas seals isolating seal air leakage contrast judgement of factory's offer is sealed.
Daul-side dry round gas seal provided in this embodiment combines gas at rest sealing property detecting method with centrifugal compressor,
Compared with current existing way, the entirety that the present embodiment realizes daul-side dry round gas seal and unit after centrifugal compressor assembly is close
Effective detection of sealing property can provide leakproofness qualification, the dry gas seals of Double End of dry gas seals and casing cooperation position
Whether whether normal, dry gas seals performance indexes meets the guiding foundation such as expected for working face work, to guarantee Double End
Overall gas sealing performance after dry gas seals and centrifugal compressor assembly, and the main performance index for examining sealing can be provided.
Further, the specific implementation as Fig. 1 method present embodiments provides a kind of centrifugal compressor Double End dry gas
The sealing property detection device of sealing, as shown in figure 3, the present apparatus include: cleaning unit 21, installation unit 22, inflation unit 23,
Monitoring unit 24.
Unit 21 is cleared up, can be used for carrying out impurity cleaning to the cavity of centrifugal compressor；
Installation unit 22 can be used for installing the host machine part of centrifugal compressor, and utilize the specific purpose tool of dry gas seals
Daul-side dry round gas seal is mounted on the corresponding position of centrifugal compressor, and the corresponding pipe fitting of installation and mating detection are set
Standby, wherein daul-side dry round gas seal includes blanket gas region and isolation gas region；
Inflation unit 23 can be used for being filled with the corresponding blanket gas of daul-side dry round gas seal to blanket gas region, and make
The pressure of blanket gas meets predetermined test pressure standard；
Inflation unit 23 can be also used for being filled with the corresponding isolation gas of daul-side dry round gas seal to isolation gas region, and make
The pressure of pressure and blanket gas that gas must be isolated meets the pressure reached when centrifugal compressor daul-side dry round gas seal runs well
Standard；
Monitoring unit 24 can be used for by monitoring blanket gas region respectively and the loine pressure and air inlet in gas region being isolated
Amount, and the capacity of daul-side dry round gas seal is combined, determine the sealing performance of centrifugal compressor daul-side dry round gas seal.
In specific application scenarios, monitoring unit 24 specifically can be used for detecting blanket gas region and isolation gas region
Inlet pressure whether can pressure maintaining under the conditions of predetermined pressure；If the inlet pressure in blanket gas region and isolation gas region can be pre-
Pressure maintaining under the conditions of constant-pressure, it is determined that sealing leak is not present in daul-side dry round gas seal；If blanket gas region and isolation gas region
Inlet pressure cannot pressure maintaining under the conditions of predetermined pressure, it is determined that there are sealing leaks for daul-side dry round gas seal.
In specific application scenarios, the corresponding blanket gas of dry gas seals and isolation gas all use nitrogen, monitoring unit 24,
It specifically can be also used for obtaining blanket gas region and gas region being isolated being filled with air consumption total consumed by nitrogen；Calculate blanket gas
The air inflow in region and the sum of the air inflow in isolation gas region, and obtain and value is compared with total air consumption；And if
It is worth equal with total air consumption, it is determined that the corresponding loading line of daul-side dry round gas seal is without sealing leak；And if value is less than always
Air consumption, it is determined that there are sealing leaks for the corresponding loading line of daul-side dry round gas seal.
In specific application scenarios, centrifugal compressor is isolated after assembling with daul-side dry round gas seal configured with dry gas seals
Sealing and centrifugal compressor shaft end seal, the seal type of isolating seal and shaft end seal are all labyrinth seal, monitoring unit 24,
Isolation the sum of the gas tolerance and the blanket gas tolerance of daul-side dry round gas seal that specifically can be also used for calculating isolation gas region, obtain
Q1；And the sum of exhaust tolerance, the air leakage of isolating seal and the air leakage of shaft end seal of daul-side dry round gas seal are calculated, it obtains
Q2；Judge that Q1 subtracts Q2 and subtracts the difference that the theoretical air leakage of shaft end seal obtains, the gas leakage with dry gas seals isolating seal again
Whether the gap between amount is less than preset threshold；Sentence if so, the air leakage of difference and sealing factory's isolating seal is compared
It is disconnected whether qualified.
In specific application scenarios, monitoring unit 24, when specifically can be also used for the air inlet measurement in blanket gas region
It compares with the dry gas seals static state air leakage of preset standard；If the air inlet measurement in blanket gas region is less than or equal to default
The air inlet measurement in blanket gas region, then is determined as the air inlet in blanket gas region by the dry gas seals static state air leakage of standard
Amount；If the air inlet measurement in blanket gas region is greater than the dry gas seals static state air leakage of preset standard, it is determined that blanket gas area
The air inlet measurement in domain is unqualified numerical value.
In specific application scenarios, monitoring unit 24 specifically can be also used for surveying in the inlet pressure in blanket gas region
Before amount, the pressure in the pressure gauge at blanket gas area entry is adjusted to dry gas seals maximum static pressure.
In specific application scenarios, the specific centrifugal compressor dry gas seals region chamber that can be used for polishing of cleaning unit 21
Body；Clear up centrifugal compressor host machine part cavity and dry gas seals region cavity；
In specific application scenarios, installation unit 22 can be also used for being filled with Double End dry gas to blanket gas region
Before sealing corresponding blanket gas, detects host machine part, daul-side dry round gas seal and the corresponding pipe fitting of centrifugal compressor and match
Whether set detection device is installed correctly；If installation is incorrect, adjust accordingly；
Correspondingly, inflation unit 23 is filled with Double End dry gas to blanket gas region if specifically can be used for installing correctly
Seal corresponding blanket gas.
It should be noted that a kind of sealing performance of centrifugal compressor daul-side dry round gas seal provided by the embodiments of the present application
Other corresponding descriptions of each functional unit involved by detection device, can be with reference to the corresponding description in Fig. 1 and Fig. 2, herein no longer
It repeats.
Based on above-mentioned method as depicted in figs. 1 and 2, correspondingly, the embodiment of the present application also provides a kind of storage equipment,
On be stored with computer program, which realizes that Fig. 1 and centrifugal compressor Double End shown in Fig. 2 are dry when being executed by processor
The sealing property detecting method of hermetic seal.
Embodiment based on above-mentioned method as depicted in figs. 1 and 2 and virtual bench as shown in Figure 3, the embodiment of the present application
A kind of entity apparatus of the sealing performance detection of centrifugal compressor daul-side dry round gas seal is additionally provided, as shown in figure 4, the device
Include: processor 31, store equipment 32 and be stored in the computer journey that can be run in storage equipment 32 and on processor 31
Sequence, the processor 31 realize the close of Fig. 1 and centrifugal compressor daul-side dry round gas seal shown in Fig. 2 when executing described program
Sealing property detection method；The device further include: bus 33 is configured as coupling processor 31 and stores equipment 32.
By the technical solution of application the application, compared with current existing way, the present embodiment realizes Double End dry gas
Effective detection of sealing and the overall sealing performance of unit after centrifugal compressor assembly, can provide dry gas seals and casing cooperates
The leakproofness of position is qualified, Double End dry gas seals working face work whether normal, dry gas seals performance indexes whether
Meet the guiding foundation such as expected, to guarantee the overall gas leakproofness after daul-side dry round gas seal and centrifugal compressor assembly
Can, and the main performance index for examining sealing can be provided.
Through the above description of the embodiments, those skilled in the art can be understood that the application can lead to
Hardware realization is crossed, the mode of necessary general hardware platform can also be added to realize by software.Based on this understanding, this Shen
Technical solution please can be embodied in the form of software products, which can store in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that a computer equipment (can be
Personal computer, server or network equipment etc.) execute method described in each implement scene of the application.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the application.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-mentioned the application serial number is for illustration only, does not represent the superiority and inferiority of implement scene.
Disclosed above is only several specific implementation scenes of the application, and still, the application is not limited to this, Ren Heben
What the technical staff in field can think variation should all fall into the protection scope of the application.
Claims (10)
1. a kind of sealing property detecting method of centrifugal compressor daul-side dry round gas seal characterized by comprising
Impurity cleaning is carried out to the cavity of centrifugal compressor；
The host machine part of the centrifugal compressor is installed, and daul-side dry round gas seal is installed using the specific purpose tool of dry gas seals
On the corresponding position of the centrifugal compressor, and corresponding pipe fitting and mating detection device are installed, wherein the Double End
Dry gas seals include blanket gas region and isolation gas region；
It is filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, and makes the pressure of the blanket gas
Meet predetermined test pressure standard；
It is filled with the corresponding isolation gas of the daul-side dry round gas seal to the isolation gas region, and makes the pressure of the isolation gas
Meet the pressure criteria reached when the centrifugal compressor daul-side dry round gas seal runs well with the pressure of the blanket gas；
By monitoring the loine pressure and air inflow in the blanket gas region and the isolation gas region respectively, and in conjunction with described double
The capacity of end face dry gas seals determines the sealing performance of the centrifugal compressor daul-side dry round gas seal.
2. the method according to claim 1, wherein described by monitoring the blanket gas region and described respectively
The loine pressure and air inflow in gas region is isolated, and in conjunction with the capacity of the daul-side dry round gas seal, determines the centrifugation pressure
The sealing performance of contracting machine daul-side dry round gas seal, specifically includes:
Whether the inlet pressure for detecting the blanket gas region and the isolation gas region can pressure maintaining under the conditions of predetermined pressure；
If the inlet pressure in the blanket gas region and the isolation gas region can pressure maintaining under the conditions of predetermined pressure, it is determined that institute
Stating daul-side dry round gas seal, there is no sealing leaks；
If the inlet pressure in the blanket gas region and the isolation gas region cannot pressure maintaining under the conditions of predetermined pressure, it is determined that
There are sealing leaks for the daul-side dry round gas seal.
3. according to the method described in claim 2, it is characterized in that, the corresponding blanket gas of the dry gas seals and isolation gas are all adopted
It is described by monitoring the loine pressure and air inflow in the blanket gas region and the isolation gas region respectively with nitrogen, and tie
The capacity for closing the daul-side dry round gas seal determines the sealing performance of the centrifugal compressor daul-side dry round gas seal, specifically
Further include:
It obtains the blanket gas region and the isolation gas region and is filled with air consumption total consumed by nitrogen；
The air inflow in the blanket gas region and the sum of the air inflow in the isolation gas region are calculated, and by obtain and value and institute
Total air consumption is stated to be compared；
If described and value is equal with total air consumption, it is determined that the corresponding loading line of the daul-side dry round gas seal is without close
Envelope leakage；
If described and value is less than total air consumption, it is determined that there are close for the corresponding loading line of the daul-side dry round gas seal
Envelope leakage.
4. according to the method described in claim 3, it is characterized in that, after the centrifugal compressor and daul-side dry round gas seal assembly
Configured with dry gas seals isolating seal and centrifugal compressor shaft end seal, the sealing class of the isolating seal and the shaft end seal
Type is all labyrinth seal, the loine pressure and air inlet by monitoring the blanket gas region and the isolation gas region respectively
Amount, and in conjunction with the capacity of the daul-side dry round gas seal, determine the leakproofness of the centrifugal compressor daul-side dry round gas seal
Can, specifically further include:
The sum of the blanket gas tolerance for calculating isolation the gas tolerance and the daul-side dry round gas seal in the isolation gas region, obtains
Q1；And
Calculate the gas leakage of the exhaust tolerance, the air leakage of the isolating seal and the shaft end seal of the daul-side dry round gas seal
The sum of amount, obtains Q2；
Judge that Q1 subtracts Q2 and subtracts the difference that the theoretical air leakage of the shaft end seal obtains again, is isolated with the dry gas seals close
Whether the gap between the air leakage of envelope is less than preset threshold；
Judge whether qualification if so, the air leakage of the difference and sealing factory's isolating seal is compared.
5. method according to any one of claim 3 to 4, which is characterized in that the air inlet in the blanket gas region measures
It compares when amount with the dry gas seals static state air leakage of preset standard；
If the air inlet measurement in the blanket gas region is less than or equal to the dry gas seals static state air leakage of the preset standard,
The air inlet measurement in the blanket gas region is then determined as to the air inflow in the blanket gas region；
If the air inlet measurement in the blanket gas region is greater than the dry gas seals static state air leakage of the preset standard, it is determined that
The air inlet measurement in the blanket gas region is unqualified numerical value.
6. according to the method described in claim 2, it is characterized in that, the blanket gas region inlet pressure measurement before,
Pressure in pressure gauge at the blanket gas area entry is adjusted to dry gas seals maximum static pressure.
7. the method according to claim 1, wherein the cavity to centrifugal compressor carries out impurity cleaning,
It specifically includes:
The centrifugal compressor dry gas seals of polishing region cavity；
Clear up the centrifugal compressor host machine part cavity and dry gas seals region cavity；
Before being filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, the method also includes:
Detect the centrifugal compressor host machine part, daul-side dry round gas seal and corresponding pipe fitting and mating detection device whether
Installation is correct；
If installation is incorrect, adjust accordingly；
It is described to be filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, it specifically includes:
If installation is correct, the corresponding blanket gas of the daul-side dry round gas seal is filled with to the blanket gas region.
8. a kind of sealing property detection device of centrifugal compressor daul-side dry round gas seal characterized by comprising
Unit is cleared up, carries out impurity cleaning for the cavity to centrifugal compressor；
Installation unit for installing the host machine part of the centrifugal compressor, and utilizes the specific purpose tool of dry gas seals by both-end
Face dry gas seals are mounted on the corresponding position of the centrifugal compressor, and install corresponding pipe fitting and mating detection device,
Wherein the daul-side dry round gas seal includes blanket gas region and isolation gas region；
Inflation unit for being filled with the corresponding blanket gas of the daul-side dry round gas seal to the blanket gas region, and makes institute
The pressure for stating blanket gas meets predetermined test pressure standard；
Inflation unit is also used to be filled with the corresponding isolation gas of the daul-side dry round gas seal to the isolation gas region, and makes
The pressure of the isolation gas and the pressure satisfaction of the blanket gas reach the centrifugal compressor daul-side dry round gas seal and normally transport
Pressure criteria when turning；
Monitoring unit, for the loine pressure and air inlet by monitoring the blanket gas region and the isolation gas region respectively
Amount, and in conjunction with the capacity of the daul-side dry round gas seal, determine the leakproofness of the centrifugal compressor daul-side dry round gas seal
Energy.
9. a kind of storage equipment, is stored thereon with computer program, which is characterized in that realization when described program is executed by processor
The sealing property detecting method of the described in any item centrifugal compressor daul-side dry round gas seal of claim 1 to 7.
10. a kind of sealing property detection device of centrifugal compressor daul-side dry round gas seal, including store equipment, processor and deposit
Store up the computer program that can be run on a storage device and on a processor, which is characterized in that the processor executes the journey
The sealing property detecting method of the described in any item centrifugal compressor daul-side dry round gas seal of claim 1 to 7 is realized when sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833314.8A CN109139526B (en) | 2018-07-26 | 2018-07-26 | Method and device for detecting sealing performance of dry gas seal on two end faces of centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833314.8A CN109139526B (en) | 2018-07-26 | 2018-07-26 | Method and device for detecting sealing performance of dry gas seal on two end faces of centrifugal compressor |
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| CN109139526A true CN109139526A (en) | 2019-01-04 |
| CN109139526B CN109139526B (en) | 2020-03-31 |
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| CN201810833314.8A Active CN109139526B (en) | 2018-07-26 | 2018-07-26 | Method and device for detecting sealing performance of dry gas seal on two end faces of centrifugal compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111061311A (en) * | 2019-12-18 | 2020-04-24 | 沈阳鼓风机集团自动控制系统工程有限公司 | Method and device for controlling pressure difference between main seal gas and balance pipe in centrifugal compressor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092343A1 (en) * | 2001-01-16 | 2002-07-18 | Josef Sedy | Static gas seal pressure test fixture |
| JP2007078630A (en) * | 2005-09-16 | 2007-03-29 | Sanden Corp | Fluid machine leak inspecting method, device used for the method, and fluid machine manufactured via the method |
| CN103558016A (en) * | 2013-10-25 | 2014-02-05 | 中国航空动力机械研究所 | Testing rack and all-condition sealing testing device |
-
2018
- 2018-07-26 CN CN201810833314.8A patent/CN109139526B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092343A1 (en) * | 2001-01-16 | 2002-07-18 | Josef Sedy | Static gas seal pressure test fixture |
| JP2007078630A (en) * | 2005-09-16 | 2007-03-29 | Sanden Corp | Fluid machine leak inspecting method, device used for the method, and fluid machine manufactured via the method |
| CN103558016A (en) * | 2013-10-25 | 2014-02-05 | 中国航空动力机械研究所 | Testing rack and all-condition sealing testing device |
Non-Patent Citations (1)
| Title |
|---|
| 张海界等: "使用干气密封的离心压缩机在试验台上的机械运转试验", 《风机技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111061311A (en) * | 2019-12-18 | 2020-04-24 | 沈阳鼓风机集团自动控制系统工程有限公司 | Method and device for controlling pressure difference between main seal gas and balance pipe in centrifugal compressor |
| CN111061311B (en) * | 2019-12-18 | 2023-07-07 | 沈阳鼓风机集团自动控制系统工程有限公司 | Control method and device for pressure difference between main sealing gas and balance pipe in centrifugal compressor |
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| CN109139526B (en) | 2020-03-31 |
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Address after: 110869 No. 16 A Development Road, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee after: Shenyang Blower Works Group Corp. Address before: 110869 No. 16 A Development Road, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee before: SHENYANG BLOWER WORKS Group Corp. |
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Application publication date: 20190104 Assignee: SHENYANG BLOWER GROUP GEAR COMPRESSOR CO.,LTD. Assignor: Shenyang Blower Works Group Corp. Contract record no.: X2023210000172 Denomination of invention: Testing Method and Device for Sealing Performance of Double Face Dry Gas Seals in Centrifugal Compressors Granted publication date: 20200331 License type: Common License Record date: 20231103 |
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