CN208431089U - A kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device - Google Patents
A kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device Download PDFInfo
- Publication number
- CN208431089U CN208431089U CN201821273365.1U CN201821273365U CN208431089U CN 208431089 U CN208431089 U CN 208431089U CN 201821273365 U CN201821273365 U CN 201821273365U CN 208431089 U CN208431089 U CN 208431089U
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- Prior art keywords
- thrust bearing
- pipeline
- water
- bearing cooler
- ball valve
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- Expired - Fee Related
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- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 238000012546 transfer Methods 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000010977 unit operation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of hydraulic generator set thrust bearing cooler online backflushing cleaning devices, including inlet pipeline, water return pipeline, the first pipeline, the second pipeline and four way ball valve.The utility model is transformed by the water supply pipe to existing hydroelectric power plant's hydraulic generator set thrust bearing cooler, four way ball valve is installed additional in the inlet and outlet pipes that water system is connected with thrust bearing cooler, the Inlet and outlet water flow direction for changing thrust bearing cooler when unit operation online is realized by switching four way ball valve direction, cooling water is set to enter thrust bearing cooler from the former water outlet of thrust bearing cooler, thrust bearing cooler is flowed out from the former water inlet of thrust bearing cooler, to realize the back flush to sundries at thrust bearing cooler original water inlet and its internal screen, avoiding turbine-generator units bearing bush temperature raising caused by blocking thrust bearing cooler because of sundries causes the non-of turbine-generator units to stop, improve the reliability and applicability of equipment.
Description
Technical field
The utility model relates to hydrogenerator cooling system technical fields, push away more particularly to a kind of turbine-generator units
Power bearing cooler online backflushing cleaning device.
Background technique
Hydraulic generator set thrust bearing technical water supply cooling water pipeline is all made of conventional design thinking at present, that is, exists
It is connected by water inlet pipe with outlet pipe between water system and thrust bearing cooler, the circulation of cooling water supply is carried out, such as Fig. 1 institute
Show, thrust bearing cooler water inlet flow direction cannot achieve the water of reverse switching function, the poor basin of water quality or flood season water degradation
Sundries easily occurs for power plant or mud siltation causes thrust bearing cooler water inlet and internal screen to block, in non-stop-machine situation
The strainer of thrust bearing cooler water inlet and internal blocking can not be cleared up and be dredged down, influence cooling water stream
Amount, causes discharge capacity to reduce, and cooling effect decline causes thrust bearing segment temperature temperature to increase, while because unit is in flood season
Equipment can not be carried out during big power generation and moves back fortune maintenance, and leading to host equipment, there are biggish security risks.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of water
Turbine generator group thrust bearing cooler online backflushing cleaning device.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of hydraulic generator set thrust bearing
Cooler online backflushing cleaning device, including inlet pipeline, water return pipeline, the first pipeline, the second pipeline and four way ball valve, it is described into
Water lines one end connection water system for water end (W.E.), the other end of the inlet pipeline connects the water inlet of the four way ball valve
Mouthful, one end of the water return pipeline connects the water outlet of the four way ball valve, and the other end of the water return pipeline connects the confession
The backwater end of water system, one end of first pipeline connect the first intake-outlet of the four way ball valve, first pipeline
The other end connection thrust bearing cooler water inlet, one end of second pipeline connects the thrust bearing cooler
The other end of water outlet, second pipeline connects the second intake-outlet of the four way ball valve.
The utility model is changed by the water supply pipe to existing hydroelectric power plant's hydraulic generator set thrust bearing cooler
It makes, installs four way ball valve additional in the inlet and outlet pipes that water system is connected with thrust bearing cooler, by switching four way ball valve side
To the Inlet and outlet water flow direction for changing thrust bearing cooler when unit is run online is realized, make cooling water from thrust bearing cooler
Former water outlet enter thrust bearing cooler, from the former water inlet of thrust bearing cooler flow out thrust bearing cooler, from
And the back flush to sundries at thrust bearing cooler original water inlet and its internal screen is realized, it avoids because sundries is stifled
Plug thrust bearing cooler causes the raising of turbine-generator units bearing bush temperature that the non-of turbine-generator units is caused to stop, and improves equipment
Reliability and applicability.
In a kind of preferred embodiment of the utility model, the four way ball valve is electric four passes ball valve.Pass through selection
Electric four passes ball valve can realize the automatic switchover of four way ball valve, convenient and efficient, time saving and energy saving.
It further include controller in another preferred embodiment of the utility model, the valve of the four way ball valve is cut
Signal input part is changed to connect with the valve transfer signal output end of the controller.Electric four passes ball valve is controlled by controller
Automatically switch.
In the yet another preferred form of the utility model, flowmeter, the stream are additionally provided on the water return pipeline
The signal output end of meter is connect with the flow signal input terminal of the controller.The inside of water return pipeline is detected by flowmeter
Water flow shows the water inlet of thrust bearing cooler when the water flow inside flow of water return pipeline is lower than preset threshold
Or blocked at its internal screen, then controller sends valve switching command to four way ball valve, automatically switches four way ball valve internal water
Stream flow direction, realizes the conversion in thrust bearing cooler Inlet and outlet water direction.
In the yet another preferred form of the utility model, the inlet pipeline, water return pipeline, the first pipeline and
Pressure gauge is provided on two pipelines.Each channel interior water flow pressure is checked by what pressure gauge can be convenient.
In the yet another preferred form of the utility model, the inlet pipeline, water return pipeline, the first pipeline,
Manual ball valve is additionally provided between two pipelines and the corresponding pressure gauge.Each pipeline and pressure are controlled by manual ball valve
On-off between table makes pressure gauge be in non-to turn off pressure gauge by manual ball valve when needing not look at pressure
Working condition, to improve the service life of pressure gauge.
In the yet another preferred form of the utility model, the inlet pipeline, water return pipeline, the first pipeline,
Two pipelines are even connect with the four way ball valve by connection method, and circumference uniform distribution plurality of bolts carries out on the connecting flange
Fastening.It is attached by connecting flange, dismounting and easy to maintain, firm and reliable connection.
In the yet another preferred form of the utility model, one end of the inlet pipeline and the water system
For water end (W.E.), the backwater end of the other end and the water system of the water return pipeline, first pipeline the other end with it is described
The water inlet of thrust bearing cooler, one end of second pipeline and the water outlet of the thrust bearing cooler pass through company
Acting flange connection, and circumference uniform distribution plurality of bolts is fastened on the connecting flange.It is attached, is torn open by connecting flange
Dress and easy to maintain, firm and reliable connection.
In the yet another preferred form of the utility model, it is additionally provided between the connecting flange that connects two-by-two close
Packing.The leakproofness between two connecting flanges interconnected is improved by the way that gasket is arranged, prevents the combination of connecting flange
Locate leak.
The working principle of the utility model is as follows:
When the blocking of the former water inlet or internal screen of thrust bearing cooler causes water flow to become smaller, in hydraulic generator
Unit switches four way ball valve direction online when running, change the Inlet and outlet water flow direction of thrust bearing cooler, make cooling water from thrust
The former water outlet of bearing cooler enters thrust bearing cooler, flows out thrust bearing from the former water inlet of thrust bearing cooler
Cooler, to realize the back flush to sundries at thrust bearing cooler original water inlet and its internal screen.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of existing hydraulic generator set thrust bearing cooler water supply pipe；
Fig. 2 is hydraulic generator set thrust bearing cooler online backwashing in a kind of preferred embodiment of the utility model
The structural schematic diagram of device；
Fig. 3 is hydraulic generator set thrust bearing cooler online backwashing in a kind of preferred embodiment of the utility model
Device forward direction operating status issues generator technology water system schematic diagram；
Fig. 4 is hydraulic generator set thrust bearing cooler online backwashing in a kind of preferred embodiment of the utility model
Device inverted running state issues generator technology water system schematic diagram.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
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
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Fig. 2, being that hydraulic generator set thrust bearing cooler exists in a kind of preferred embodiment of the utility model
The structural schematic diagram of line back purge system, the device include inlet pipeline 1, water return pipeline 2, the first pipeline 3,4 and of the second pipeline
Four way ball valve 5, one end connection water system 01 of inlet pipeline 1 for water end (W.E.) 011, the other end of inlet pipeline 1 connects four-way
The water inlet 51 of ball valve 5, the water outlet 52 of one end connection four way ball valve 5 of water return pipeline 2, the other end connection of water return pipeline 2
The backwater end 012 of water system 01, the first intake-outlet 53 of one end connection four way ball valve 5 of the first pipeline 3, the first pipeline 3
Other end connection thrust bearing cooler 02 water inlet 021, one end connection thrust bearing cooler 02 of second pipeline 4
Water outlet 022, the second intake-outlet 54 of the other end connection four way ball valve 5 of the second pipeline 4.
The utility model is changed by the water supply pipe to existing hydroelectric power plant's hydraulic generator set thrust bearing cooler
It makes, installs four way ball valve additional in the inlet and outlet pipes that water system is connected with thrust bearing cooler, by switching four way ball valve side
To the Inlet and outlet water flow direction for changing thrust bearing cooler when unit is run online is realized, make cooling water from thrust bearing cooler
Former water outlet enter thrust bearing cooler, from the former water inlet of thrust bearing cooler flow out thrust bearing cooler, from
And the back flush to sundries at thrust bearing cooler original water inlet and its internal screen is realized, it avoids because sundries is stifled
Plug thrust bearing cooler causes the raising of turbine-generator units bearing bush temperature that the non-of turbine-generator units is caused to stop, and improves equipment
Reliability and applicability.
Preferably, in the present embodiment, four way ball valve 5 is electric four passes ball valve.Specifically, four way ball valve 5 is selected
" LL " type four way ball valve.By selecting electric four passes ball valve that can realize the automatic switchover of four way ball valve 5, convenient and efficient, time saving province
Power.Preferably, in the another embodiment of the utility model, four way ball valve 5 selects manual four way ball valve, save the cost,
Maintenance cost is low.It is selected in embodiment in the another kind of the utility model, four way ball valve 5 is manual four way ball valve, according to reality
It needs, manual switching is carried out to four way ball valve 5, reduces cost.
It preferably, in the present embodiment, further include controller, the valve transfer signal input part of four way ball valve 5 and control
The valve transfer signal output end of device processed connects.The automatic switchover of electric four passes ball valve is controlled by controller.
Preferably, in the present embodiment, it is additionally provided with flowmeter on the first pipeline 3, is additionally provided with comparator in controller
And threshold value memory, the flow signal in water return pipeline 2 that flowmeter will test are transferred to the first input end of comparator, than
The second input terminal compared with device is connected with threshold value memory, the enable end of the output end connection four way ball valve 5 of comparator.Pass through flow
The water flow inside flow of meter detection water return pipeline 2 shows to push away when the water flow inside flow of water return pipeline 2 is lower than preset threshold
It is blocked at the water inlet 021 of power bearing cooler 02 or at its internal screen, then the comparator in controller sends valve transfer
Instruction automatically switches four way ball valve water flow inside flow direction, realizes turning for thrust bearing cooler Inlet and outlet water direction to four way ball valve
It changes.Electromagnetic flowmeter specifically can be selected in the flowmeter.In the present embodiment, threshold value can be set as the case may be.
Preferably, in the present embodiment, it is all provided on inlet pipeline 1, water return pipeline 2, the first pipeline 3 and the second pipeline 4
It is equipped with pressure gauge.Each channel interior water flow pressure is checked by what pressure gauge can be convenient.
Preferably, in the present embodiment, inlet pipeline 1, water return pipeline 2, the first pipeline 3, the second pipeline 4 and right with it
Manual ball valve is additionally provided between the pressure gauge answered.The on-off between each pipeline and pressure gauge is controlled by manual ball valve, thus
Pressure gauge is turned off by manual ball valve when needing not look at pressure, so that pressure gauge is in off working state, to improve
The service life of pressure gauge.
Preferably, in the present embodiment, inlet pipeline 1, be provided with manually-operated gate on water return pipeline 2.Pass through hand-operated valve
Door manually control to inlet pipeline 1 and water return pipeline 2 on-off of water supply and return water.
Preferably, in the present embodiment, inlet pipeline 1, water return pipeline 2, the first pipeline 3, the second pipeline 4 pass through company
Connection is even connect with four way ball valve 5, and circumference uniform distribution plurality of bolts is fastened on connecting flange.It is carried out by connecting flange
Connection, dismounting and easy to maintain, firm and reliable connection.
Preferably, in the present embodiment, one end of inlet pipeline 1 is with water system 01 for water end (W.E.) 011, water return pipeline
2 other end and backwater end 012, the other end of the first pipeline 3 and the water inlet of thrust bearing cooler 02 of water system 01
021, one end of the second pipeline 4 is connect by connecting flange with the water outlet 022 of thrust bearing cooler 02, and in connection method
Circumference uniform distribution plurality of bolts is fastened on orchid.It is attached, is dismounted and easy to maintain, being connected firmly can by connecting flange
It leans on.
Preferably, in the present embodiment, gasket is additionally provided between the connecting flange connected two-by-two.It is sealed by setting
Pad improves the leakproofness between two connecting flanges interconnected, prevents the junction leak of connecting flange.
The working principle of the utility model is as follows:
When the blocking of the former water inlet or internal screen of thrust bearing cooler causes water flow to become smaller, in hydraulic generator
Unit switches four way ball valve direction online when running, change the Inlet and outlet water flow direction of thrust bearing cooler, make cooling water from thrust
The former water outlet of bearing cooler enters thrust bearing cooler, flows out thrust bearing from the former water inlet of thrust bearing cooler
Cooler, to realize the back flush to sundries at thrust bearing cooler original water inlet and its internal screen.
It as shown in Figure 3, Figure 4, is the hydraulic generator set thrust bearing cooler online backflushing cleaning device of the utility model
Applied to the schematic diagram of turbine-generator units technical water supply system, in the flow direction such as figure of the cooling water of water system conveying on pipeline
Arrow shown in direction.
Under normal condition, system forward direction operating status schematic diagram as shown in Figure 3, the cooling water of water system conveying is successively
It is cooling to pass through thrust bearing subsequently into the water inlet of thrust bearing cooler by inlet pipeline and flusher anyway
Cooling line inside device successively passes through back purge system and water return pipeline stream then from the water outlet of thrust bearing cooler
Out.
When the water inlet of thrust bearing cooler or internal screen blocking cause water flow to become smaller, in hydrogenerator
Switch four way ball valve direction online when group operation, change the Inlet and outlet water flow direction of thrust bearing cooler, system as shown in Figure 4 is anti-
To operating status schematic diagram, it is cold that the cooling water for conveying water system from the water outlet of thrust bearing cooler enters thrust bearing
But device flows out thrust bearing cooler from the water inlet of thrust bearing cooler, to realize former to thrust bearing cooler
The back flush of sundries at water inlet and its internal screen.Water wheels caused by blocking thrust bearing cooler because of sundries are avoided to send out
The raising of motor group bearing bush temperature causes the non-of turbine-generator units to stop, and improves the reliability and applicability of equipment.
It should be noted that structure shown in the utility model Fig. 2-4 is some preferred implementations of the utility model
Mode, is shown here to simply facilitate and understands the utility model and should not be understood as limiting the present invention, practical new at this
Under the thought guidance of type, the structure that technical solution according to the present utility model is implemented to obtain is in the protection scope of the utility model
Within, therefore not to repeat here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device, which is characterized in that including inlet pipeline, return
Water lines, the first pipeline, the second pipeline and four way ball valve, the inlet pipeline one end connection water system for water end (W.E.), institute
The other end for stating inlet pipeline connects the water inlet of the four way ball valve, and one end of the water return pipeline connects the four way ball valve
Water outlet, the other end of the water return pipeline connects the backwater end of the water system, one end connection of first pipeline
First intake-outlet of the four way ball valve, the water inlet of the other end connection thrust bearing cooler of first pipeline, institute
The one end for stating the second pipeline connects the water outlet of the thrust bearing cooler, the other end connection described four of second pipeline
Second intake-outlet of pass ball valve.
2. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 1, which is characterized in that
The four way ball valve is electric four passes ball valve.
3. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 2, which is characterized in that
It further include controller, the valve transfer signal input part of the four way ball valve and the valve transfer signal output end of the controller
Connection.
4. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 3, which is characterized in that
Flowmeter, the flow signal input terminal of the signal output end of the flowmeter and the controller are additionally provided on the water return pipeline
Connection.
5. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 1 or 2, feature exist
In being provided with pressure gauge on the inlet pipeline, water return pipeline, the first pipeline and the second pipeline.
6. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 5, which is characterized in that
It is additionally provided between the inlet pipeline, water return pipeline, the first pipeline, the second pipeline and the corresponding pressure gauge manually
Ball valve.
7. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 1 or 2, feature exist
In, the inlet pipeline, water return pipeline, the first pipeline, the second pipeline are even connect with the four way ball valve by connection method, and
Circumference uniform distribution plurality of bolts is fastened on the connecting flange.
8. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 7, which is characterized in that
Gasket is additionally provided between the connecting flange connected two-by-two.
9. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 1 or 2, feature exist
In, one end of the inlet pipeline and the water system for water end (W.E.), the other end of the water return pipeline and described for water system
The one of the backwater end of system, the other end of first pipeline and the water inlet of the thrust bearing cooler, second pipeline
End passes through connecting flange with the water outlet of the thrust bearing cooler and connect, and circumference uniform distribution is more on the connecting flange
Bolts are fastened.
10. hydraulic generator set thrust bearing cooler online backflushing cleaning device according to claim 9, feature exist
In being additionally provided with gasket between the connecting flange connected two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273365.1U CN208431089U (en) | 2018-08-08 | 2018-08-08 | A kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273365.1U CN208431089U (en) | 2018-08-08 | 2018-08-08 | A kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431089U true CN208431089U (en) | 2019-01-25 |
Family
ID=65098033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821273365.1U Expired - Fee Related CN208431089U (en) | 2018-08-08 | 2018-08-08 | A kind of hydraulic generator set thrust bearing cooler online backflushing cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431089U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798804A (en) * | 2018-12-24 | 2019-05-24 | 贵州乌江清水河水电开发有限公司 | A kind of guide bearing cooler back-flushing method |
| CN110714940A (en) * | 2019-11-05 | 2020-01-21 | 宁波德曼压缩机有限公司 | Self-cleaning system of compressor cooling water route |
-
2018
- 2018-08-08 CN CN201821273365.1U patent/CN208431089U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798804A (en) * | 2018-12-24 | 2019-05-24 | 贵州乌江清水河水电开发有限公司 | A kind of guide bearing cooler back-flushing method |
| CN110714940A (en) * | 2019-11-05 | 2020-01-21 | 宁波德曼压缩机有限公司 | Self-cleaning system of compressor cooling water route |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 |