CN108723020A - High-pressure aerated turbulent flow fluid pressure line oil flushing equipment and its application method - Google Patents
High-pressure aerated turbulent flow fluid pressure line oil flushing equipment and its application method Download PDFInfo
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- CN108723020A CN108723020A CN201710279310.5A CN201710279310A CN108723020A CN 108723020 A CN108723020 A CN 108723020A CN 201710279310 A CN201710279310 A CN 201710279310A CN 108723020 A CN108723020 A CN 108723020A
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- oil
- flushing
- fluid pressure
- air
- pressure line
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to the mechanisms by moving fluid to clean inner surface or removal tamper field, specially a kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment and its application method.A kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment, includes the fuel tank (1) and fluid pressure line to be rinsed (15) of storage flushing oil, it is characterized in that：Further include components such as check valve (13) and gas circuit valve (14) after check valve (10), air tank (11), gas circuit before heater (2), hydraulic pump (6), oil circuit check valve (7), air compressor machine (8), gas circuit.A kind of application method of high-pressure aerated turbulent fluid pressure line oil flushing equipment, it is characterized in that：Implement successively as follows：A. it heats；B. oil transportation is rinsed；C. it inflates；D. gas transmission is rinsed；E. terminate.Flushing effect of the present invention is good, and rinsing quality is high, applied widely.
Description
Technical field
The present invention relates to the mechanisms by moving fluid to clean inner surface or removal tamper field, specially a kind of high
The turbulent fluid pressure line oil flushing equipment of pressure inflation and its application method.
Background technology
Hydraulic system is the important component of metallurgical engineering, and the hydraulic pressure of thousands of rice, lubrication piping are just as entire work
" blood vessel " of journey provides power for unit, and the quality of hydraulic pipeline oil flushing quality directly affects the unimpeded of " blood vessel ".Smelting
Golden production line large hydraulic pipe-line system scale is big, it is complicated to move towards, and control accuracy is high, and there are a large amount of servo valves, proportioning valves, to liquid
Pressure pipeline rinsing quality requires very high.
Conventional oil backwashing manner is：Using low pressure and mass flow oil flushing equipment, the principle rinsed using turbulent flow is to hydraulic pressure ring
Road carries out oil flushing.Conventional oil purging method has the disadvantage that：1. relying solely on turbulent flow, washing time is long, flush efficiency
It is low；2. due to pipeline rout complexity, there are dead angle, the dirts such as some obstinate welding slags to rinse well at pipe fitting joint position.
Invention content
In order to overcome the deficiencies of existing technologies, the pipeline that a kind of flushing effect is good, rinsing quality is high, applied widely is provided
Cleaning equipment, the invention discloses a kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment and its application methods.
The present invention reaches goal of the invention by following technical solution：
A kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment, including the fuel tank of storage flushing oil and hydraulic tube to be rinsed
The flushing outlet series connection oil path valve on road, the outlet of fluid pressure line rinsed import connection and rinse inlet pipe, fluid pressure line connects behind the door
The import of outlet pipe is rinsed, it is characterized in that：Further include that heater, thermometer, liquid level gauge, oil passage filter, hydraulic pump, oil circuit are unidirectional
Check valve, gas circuit valve, oil product exist after check valve, air tank, air gauge, gas circuit before valve, air compressor machine, air passage filter, gas circuit
Line detector and filter device,
Heater, thermometer and liquid level gauge are equipped in fuel tank, the oil transportation mouth of fuel tank is by being sequentially connected in series oil passage filter, hydraulic pressure
Pump connects the import for rinsing inlet pipe with the first petroleum pipeline of oil circuit check valve；
The blowing mouth of air compressor machine by be sequentially connected in series before air passage filter, gas circuit after check valve, air tank, gas circuit check valve and
The import of inlet pipe is rinsed in the appendix connection of gas circuit valve, and air gauge is equipped in air tank；
The outlet for rinsing outlet pipe connects fuel tank by being sequentially connected in series oil product on-line detector with the second petroleum pipeline of filter device
Oil inlet.
The high-pressure aerated turbulent fluid pressure line oil flushing equipment, it is characterized in that：Fluid pressure line at least there are two circuit,
The flushing import of each fluid pressure line all connects the outlet for rinsing inlet pipe, and the flushing outlet of each fluid pressure line is all connected oil path valve
The import of outlet pipe is rinsed in connection behind the door, i.e., each fluid pressure line is mutually in parallel；
The precision of oil passage filter is not less than 20 μm；Air passage filter can continuously remove 100% liquid water and 99.9% oil
Mist and 0.1 μm of solid particle；Filter device uses 3 kinds of different filter cores, dirtier inside pipeline when just starting filtering, uses
10 μm of filter core changes 5 μm of filter core after flushing a period of time, finally carry out smart filtering with 3 μm of filter core, to ensure final rinse
Effect reaches design requirement；
Oil product on-line detector can show the lustration class of flushing oil after every completion one-time detection, as a result be better than design requirement
Afterwards, you can judgement is met the requirements；Such as：Certain hydraulic system requires to reach NAS grades after rinsing, as long as oil product on-line detector is multiple
（Generally at least 3 times）Testing result is shown as 7 grades or more（The smaller then cleanliness factor of number of rank is higher）, then it is believed that punching
Effect is washed to meet the requirements；
The flushing pressure of hydraulic pump output oil is 4Mpa, and the pressure ratio flushing pressure that air tank exports compressed air is slightly higher
0.01MPa~0.05Mpa.
The application method of the high-pressure aerated turbulent fluid pressure line oil flushing equipment, it is characterized in that：As follows according to
Secondary implementation：
A. it heats：Hydraulic pump and gas circuit valve are closed, the flushing oil in heater heating fuel tank to set temperature, with drop
The viscosity of low flushing oil is to improve turbulent flow effect during rinsing；
B. oil transportation is rinsed：Start hydraulic pump, the flushing oil in fuel tank with high voltage style under the action of oil circuit check valve forward according to
Secondary to enter fluid pressure line to be rinsed through the first petroleum pipeline and flushing inlet pipe, flushing oil is implemented to pass through successively after rinsing to fluid pressure line
It rinses outlet pipe and the second petroleum pipeline and is back to fuel tank, flushing oil is successively through the detection of oil product on-line detector and filter device when reflux
Filtering；
C. it inflates：It is filled with flushing oil in fluid pressure line and flow to fluid pressure line from fuel tank and flows back again the flush loop of fuel tank
After stabilization, start air compressor machine, compressed air is degreased through air passage filter, is unidirectional before gas circuit after moisture and other impurities
Forward enter air tank through appendix under the action of valve；
D. gas transmission is rinsed：After air gauge shows that the air pressure in air tank reaches setting air pressure, opening gas circuit valve, compression sky
Gas forward enters fluid pressure line to be rinsed through appendix and flushing inlet pipe successively after gas circuit under the action of check valve, and compression is empty
Gas injects in flushing oil, and cavitation occurs to further flushing of hydraulic pipeline；
E. terminate：When the flushing oil for the fuel tank that flows back reaches established standards through oil product on-line detector detection cleanliness factor, liquid is closed
Press pump and air compressor machine stop conveying flushing oil and compressed air, terminate the flushing to fluid pressure line.
The application method of the high-pressure aerated turbulent fluid pressure line oil flushing equipment, it is characterized in that：
When step a, flushing oil is heated to 55 DEG C~60 DEG C；When step c, the air pressure in air tank is charged toMPa。
In the present invention：Fuel tank is used to store clean flushing oil, installs heater, thermometer and liquid level gauge in fuel tank, adds
Hot device is generally heated to 55 DEG C~60 DEG C, to reduce flushing oil viscosity, improves turbulent flow effect during rinsing for heating flushing oil
Fruit, thermometer and liquid level gauge show the temperature and liquid level of flushing oil in fuel tank；Oil passage filter may in flushing oil for removing
Existing pollutant；Hydraulic pump is used to be promoted the flushing pressure of flushing oil；Oil circuit check valve is for preventing flushing oil to be back to liquid
Press pump；Compressed air used for air compressor in offer high pressure；Air passage filter be used to remove mist of oil in compressed air, water and other
Impurity ensures the drying and cleaning of compressed air；Check valve avoids compressed air from being back to air compressor machine before gas circuit；Air tank is used for
Store the compressed air of high pressure；Pressure gauge is used to show the air pressure of compressed air in air tank；Check valve avoids rinsing after gas circuit
Oil and compressed air flow back into air tank；Gas circuit valve is for controlling the opening and closing that air tank externally exports compressed air；
Fluid pressure line is circuit to be rinsed；Oil product on-line detector is used to detect the flushing oil after rinsing, whether to judge fluid pressure line
It rinses well；Filter device realizes the recycling of flushing oil for being filtered to the flushing oil after flushing；Work as fluid pressure line
Scale is big, system complex when, multiple circuits can be divided into, be rinsed successively, when each circuit of all hydraulic pipeline is complete
After the completion of portion is rinsed, flushing process terminates.
Working principle of the present invention is as follows：
1. turbulent flow rinses：Turbulent flow phenomenon is generated when Reynolds number is more than critical Reynolds number, flushing oil is in hydraulic pipeline at this time
Irregular violent play is inside done, various swirling bodies to differ in size is formed and mutually mixes and ooze advance, scouring force is strong, Ke Yiqing
Dirt in clean hydraulic pipeline；
2. high pressure washing：Flushing oil pressure is bigger, and flow velocity is faster, and Reynolds number is bigger, and turbulent flow effect is stronger, cleans stubborn soils
Ability it is stronger, the pressure of conventional flush is increased to 4Mpa by the present invention by 1.6Mpa, and flush efficiency is high；
3. inflation is rinsed：It is filled with clean high pressure air in flushing oil, forms many minute bubbles in flushing oil, i.e.,
Cavitation, bubble constantly expansion and rupture in flushing oil generate cavitation, and cavitation generates partial high pressure high temperature, and
And with noise and vibration, prodigious impact force is generated, the stubborn soils of fluid pressure line are more effectively removed, rinsing quality is good.
In fluid pressure line normal use, cavitation is harmful, by corrosion element material, reduces component life, this
Invention is in use, cavitation erosion time of origin is short, during the flushing for existing only in flushing oil, and flushing pressure（4Mpa）Far below just
Normal operating pressure（16Mpa~32Mpa）, system will not be damaged.
The present invention has the advantages that：
1. flushing pressure is high, more preferably, flush efficiency is high for turbulent flushing effect；
2. the air pockets erosion phenomenon generated after being inflated in flushing oil, impact force is big, and the stubbornness for effectively removing fluid pressure line is dirty
Object, flush efficiency is high, and rinsing quality is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
It is further illustrated the present invention below by way of specific embodiment.
Embodiment 1
A kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment, including the fuel tank 1 of storage flushing oil, heater 2, thermometer 3,
Check valve 10, sky before liquid level gauge 4, oil passage filter 5, hydraulic pump 6, oil circuit check valve 7, air compressor machine 8, air passage filter 9, gas circuit
Check valve 13, gas circuit valve 14, fluid pressure line 15 to be rinsed, oil product on-line detector 16 after gas tank 11, air gauge 12, gas circuit
With filter device 17, as shown in Figure 1, concrete structure is：
The outlet of fluid pressure line 15 rinsed import connection and rinse inlet pipe 151, the flushing outlet series connection oil path valve of fluid pressure line 15
The import of outlet pipe 152 is rinsed in connection after door 153；
Heater 2, thermometer 3 and liquid level gauge 4 are equipped in fuel tank 1, the oil transportation mouth of fuel tank 1 is by being sequentially connected in series oil passage filter
5, the import of inlet pipe 151 is rinsed in the connection of the first petroleum pipeline 181 of hydraulic pump 6 and oil circuit check valve 7；
The blowing mouth of air compressor machine 8 is single after check valve 10, air tank 11, gas circuit by being sequentially connected in series before air passage filter 9, gas circuit
The import for rinsing inlet pipe 151 is connected to the appendix 19 of valve 13 and gas circuit valve 14, and air gauge 12 is equipped in air tank 11；
The outlet for rinsing outlet pipe 152 passes through the second petroleum pipeline for being sequentially connected in series oil product on-line detector 16 and filter device 17
The oil inlet of 182 connection fuel tanks 1.
In the present embodiment：There are three circuits for fluid pressure line 15, and the flushing import of each fluid pressure line 15, which all connects, to be flushed into
The import of outlet pipe 152 is rinsed in the outlet of pipe 151, the connection after oil circuit valve 153 of all connecting of the flushing outlet of each fluid pressure line 15,
I.e. each fluid pressure line 15 is mutually in parallel.
In the present embodiment：The precision of oil passage filter 5 is not less than 20 μm；Air passage filter 9 can continuously remove 100%
Liquid water and 99.9% mist of oil and 0.1 μm of solid particle；Filter device 17 uses 3 kinds of different filter cores, just starts to filter
When, it is dirtier inside pipeline, using 10 μm of filter core, rinses after a period of time and change 5 μm of filter core, finally carried out with 3 μm of filter core
Essence filtering, to ensure that final flushing effect reaches design requirement；
Oil product on-line detector 16 can show the lustration class of flushing oil after every completion one-time detection, as a result be better than design requirement
Afterwards, you can judgement is met the requirements；Such as：Certain hydraulic system requires to reach NAS7 grades after rinsing, as long as oil product on-line detector 16
Repeatedly（Generally at least 3 times）Testing result is shown as 7 grades or more（The smaller then cleanliness factor of number of rank is higher）, then can recognize
It is met the requirements for flushing effect；
The flushing pressure that hydraulic pump 6 exports oil is 4Mpa, and the pressure ratio flushing pressure that air tank 11 exports compressed air is slightly higher
0.01MPa~0.05Mpa.
The present embodiment in use, implement successively as follows：
A. it heats：Hydraulic pump 6 and gas circuit valve 14 are closed, the flushing oil in 2 heating fuel tank 1 of heater to set temperature
55 DEG C~60 DEG C, to reduce the viscosity of flushing oil to improve turbulent flow effect during rinsing；
B. oil transportation is rinsed：Start hydraulic pump 6, the flushing oil in fuel tank 1 is suitable under the action of oil circuit check valve 7 with high voltage style
To fluid pressure line 15 to be rinsed is entered through the first petroleum pipeline 181 and flushing inlet pipe 151 successively, flushing oil is real to fluid pressure line 15
It applies after flushing and to be back to fuel tank 1 through rinsing outlet pipe 152 and the second petroleum pipeline 182 successively, flushing oil exists through oil product successively when reflux
Line detector 16 detects and filter device 17 filters；
C. it inflates：It is filled with flushing oil in fluid pressure line 15 and flow to fluid pressure line 15 from fuel tank 1 and flows back again the rushing of fuel tank 1
After washing loop stability, start air compressor machine 8, compressed air is degreased through air passage filter 9, after moisture and other impurities in gas
Forward enter air tank 11 through appendix 19 under the action of check valve 10 before road；
D. gas transmission is rinsed：Show that the air pressure in air tank 11 reaches setting air pressure in air gauge 12After MPa, opening gas circuit
Valve 14, compressed air forward enters through appendix 19 and flushing inlet pipe 151 after gas circuit under the action of check valve 13 successively to be waited for
The fluid pressure line 15 of flushing, compressed air are injected in flushing oil, and cavitation occurs to further flushing of hydraulic pipeline 15；
E. terminate：When the flushing oil for the fuel tank 1 that flows back detects cleanliness factor through oil product on-line detector 16 reaches established standards, close
Hydraulic pump 6 and air compressor machine 8 are closed, conveying flushing oil and compressed air are stopped, terminating the flushing to fluid pressure line 15；
Since 15 scale of fluid pressure line is big, system complex, therefore multiple circuits are divided into, is rinsed successively, when all hydraulic pipe
After the completion of each circuit on road 15 is all rinsed, flushing process terminates.
The effect of each component of the present embodiment is summarized as follows：
Fuel tank 1 is used to store clean flushing oil, and installing heater 2, thermometer 3 and liquid level gauge 4, heater 2 in fuel tank 1 is used for
Flushing oil is heated, 55 DEG C~60 DEG C is generally heated to, to reduce flushing oil viscosity, improves turbulent flow effect during rinsing, thermometer 3
The temperature and liquid level of flushing oil in fuel tank 1 are shown with liquid level gauge 4；Oil passage filter 5 is that may be present in flushing oil for removing
Pollutant；Hydraulic pump 6 is used to be promoted the flushing pressure of flushing oil；Oil circuit check valve 7 is for preventing flushing oil to be back to hydraulic pump
6；Air compressor machine 8 is used to provide the compressed air of high pressure；Air passage filter 9 be used to remove mist of oil in compressed air, water and other
Impurity ensures the drying and cleaning of compressed air；Check valve 10 avoids compressed air from being back to air compressor machine 8 before gas circuit；Air tank
11 compressed air for storing high pressure；Pressure gauge 12 is used to show the air pressure of compressed air in air tank 11；It is unidirectional after gas circuit
Valve 13 avoids flushing oil and compressed air from flowing back into air tank 11；Gas circuit valve 14 is for controlling the externally output compression of air tank 11
The opening and closing of air；Fluid pressure line 15 is circuit to be rinsed；Oil product on-line detector 16 is used to detect the flushing after rinsing
Oil, to judge whether fluid pressure line 15 is rinsed well；Filter device 17 realizes punching for being filtered to the flushing oil after flushing
The recycling of washing oil；When 15 scale of fluid pressure line is big, system complex when, multiple circuits can be divided into, be rinsed successively,
After the completion of each circuit of all hydraulic pipeline 15 is all rinsed, flushing process terminates.
Claims (4)
1. a kind of high-pressure aerated turbulent fluid pressure line oil flushing equipment, including the fuel tank (1) of storage flushing oil and liquid to be rinsed
The outlet of inlet pipe (151) is rinsed in pressure pipe road (15), the flushing import connection of fluid pressure line (15), and fluid pressure line (15) flush out
Mouth series connection oil circuit valve (153) connects the import for rinsing outlet pipe (152) afterwards, it is characterized in that：Further include heater (2), thermometer
(3), liquid level gauge (4), oil passage filter (5), hydraulic pump (6), oil circuit check valve (7), air compressor machine (8), air passage filter (9),
Check valve (13), gas circuit valve (14), oil product are online after check valve (10), air tank (11), air gauge (12), gas circuit before gas circuit
Detector (16) and filter device (17),
Heater (2), thermometer (3) and liquid level gauge (4) are equipped in fuel tank (1), the oil transportation mouth of fuel tank (1) is by being sequentially connected in series
Oil passage filter (5), hydraulic pump (6) and oil circuit check valve (7) the first petroleum pipeline (181) connection rinse inlet pipe (151) into
Mouthful；
The blowing mouth of air compressor machine (8) by be sequentially connected in series check valve (10) before air passage filter (9), gas circuit, air tank (11),
The import of inlet pipe (151), air tank (11) are rinsed in the connection of the appendix (19) of check valve (13) and gas circuit valve (14) after gas circuit
It is interior to be equipped with air gauge (12)；
The outlet for rinsing outlet pipe (152) is defeated by be sequentially connected in series oil product on-line detector (16) and filter device (17) second
Oil pipe (182) connects the oil inlet of fuel tank (1).
2. high-pressure aerated turbulent fluid pressure line oil flushing equipment as described in claim 1, it is characterized in that：Fluid pressure line (15) is extremely
Circuit there are two few, the flushing import of each fluid pressure line (15) all connect the outlet for rinsing inlet pipe (151), each fluid pressure line
(15) flushing outlet all connect oil circuit valve (153) connect afterwards rinse outlet pipe (152) import, i.e., each fluid pressure line (15)
Mutually it is in parallel.
3. the application method of high-pressure aerated turbulent fluid pressure line oil flushing equipment as claimed in claim 1 or 2, it is characterized in that：
Implement successively as follows：
A. it heats：Hydraulic pump (6) and gas circuit valve (14) are closed, the flushing oil in heater (2) heating fuel tank (1) is extremely
Set temperature；
B. oil transportation is rinsed：Start hydraulic pump (6), work of the flushing oil with high voltage style in oil circuit check valve (7) in fuel tank (1)
Forward enter fluid pressure line (15) to be rinsed, flushing oil pair through the first petroleum pipeline (181) and flushing inlet pipe (151) successively under
Fluid pressure line (15) is implemented to be back to fuel tank (1) through rinsing outlet pipe (152) and the second petroleum pipeline (182) successively after rinsing, and flows back
When flushing oil successively through oil product on-line detector (16) detection and filter device (17) filter；
C. it inflates：It is filled with flushing oil in fluid pressure line (15) and flow to fluid pressure line (15) withdrawing oil again from fuel tank (1)
After the flush loop of case (1) is stablized, start air compressor machine (8), by compressed air through air passage filter (9) degrease with after moisture
Forward enter air tank (11) through appendix (19) under the action of check valve (10) before gas circuit；
D. gas transmission is rinsed：After air pressure in air tank (11) reaches setting air pressure, opening gas circuit valve (14), compressed air
Forward enter hydraulic pressure to be rinsed through appendix (19) and flushing inlet pipe (151) successively under the action of check valve (13) after gas circuit
Pipeline (15), compressed air are injected in flushing oil, and cavitation occurs to further flushing of hydraulic pipeline (15)；
E. terminate：When the flushing oil of reflux fuel tank (1) reaches established standards through oil product on-line detector (16) detection cleanliness factor
When, hydraulic pump (6) and air compressor machine (8) are closed, conveying flushing oil and compressed air are stopped, fluid pressure line (15) is rushed in end
It washes.
4. the application method of high-pressure aerated turbulent fluid pressure line oil flushing equipment as claimed in claim 3, it is characterized in that：
When step a, flushing oil is heated to 55 DEG C~60 DEG C；When step c, the air pressure in air tank (11) is charged toMPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279310.5A CN108723020A (en) | 2017-04-25 | 2017-04-25 | High-pressure aerated turbulent flow fluid pressure line oil flushing equipment and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279310.5A CN108723020A (en) | 2017-04-25 | 2017-04-25 | High-pressure aerated turbulent flow fluid pressure line oil flushing equipment and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108723020A true CN108723020A (en) | 2018-11-02 |
Family
ID=63934543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279310.5A Pending CN108723020A (en) | 2017-04-25 | 2017-04-25 | High-pressure aerated turbulent flow fluid pressure line oil flushing equipment and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108723020A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759394A (en) * | 2018-11-26 | 2019-05-17 | 中冶天工集团有限公司 | A kind of compact multifunction oil flushing equipment |
| CN112264391A (en) * | 2020-09-01 | 2021-01-26 | 中国航发贵州红林航空动力控制科技有限公司 | Porous oil-gas alternate flushing equipment |
| CN114178262A (en) * | 2021-12-03 | 2022-03-15 | 东风汽车股份有限公司 | Device for dredging pipeline of grease lubrication system and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882825Y (en) * | 2005-07-22 | 2007-03-28 | 中国第二十冶金建设公司 | Large turbulent oil flusher |
| CN104624575A (en) * | 2013-11-08 | 2015-05-20 | 五冶集团上海有限公司 | Method for flushing hydraulic pipe oil through hydraulic power unit equipment |
| CN105057291A (en) * | 2015-07-17 | 2015-11-18 | 山推工程机械股份有限公司 | Pipeline cleaning system |
-
2017
- 2017-04-25 CN CN201710279310.5A patent/CN108723020A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882825Y (en) * | 2005-07-22 | 2007-03-28 | 中国第二十冶金建设公司 | Large turbulent oil flusher |
| CN104624575A (en) * | 2013-11-08 | 2015-05-20 | 五冶集团上海有限公司 | Method for flushing hydraulic pipe oil through hydraulic power unit equipment |
| CN105057291A (en) * | 2015-07-17 | 2015-11-18 | 山推工程机械股份有限公司 | Pipeline cleaning system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759394A (en) * | 2018-11-26 | 2019-05-17 | 中冶天工集团有限公司 | A kind of compact multifunction oil flushing equipment |
| CN112264391A (en) * | 2020-09-01 | 2021-01-26 | 中国航发贵州红林航空动力控制科技有限公司 | Porous oil-gas alternate flushing equipment |
| CN114178262A (en) * | 2021-12-03 | 2022-03-15 | 东风汽车股份有限公司 | Device for dredging pipeline of grease lubrication system and using method |
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Application publication date: 20181102 |
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