CN115475443A - Heat conduction oil online mechanical filtering tool and filtering method thereof - Google Patents
Heat conduction oil online mechanical filtering tool and filtering method thereof Download PDFInfo
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- CN115475443A CN115475443A CN202211122002.9A CN202211122002A CN115475443A CN 115475443 A CN115475443 A CN 115475443A CN 202211122002 A CN202211122002 A CN 202211122002A CN 115475443 A CN115475443 A CN 115475443A
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- filter
- filtering
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- heat conduction
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- 238000001914 filtration Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000012535 impurity Substances 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 238000007790 scraping Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000011045 prefiltration Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000007599 discharging Methods 0.000 abstract 1
- 238000004939 coking Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 12
- 239000000571 coke Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/643—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a combination of movements with respect to the filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/74—Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/06—Filters making use of electricity or magnetism
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a conduction oil on-line mechanical filtering tool and a filtering method thereof, and belongs to the field of filtering equipment. The heat conduction oil online mechanical filtering tool comprises a pre-filtering mechanism, wherein the pre-filtering mechanism comprises a filter cylinder, the top of the filter cylinder is communicated with an oil inlet, the oil inlet is connected with an external oil guide pipe, and the bottom of the filter cylinder is communicated with a scrap discharging pipe; according to the invention, through the mutual matching of the filter cartridge, the oil inlet, the scrap outlet pipe, the first control valve, the connecting pipe, the second control valve, the iron core and the electromagnetic coil, the iron scrap impurity in the heat conduction oil is primarily filtered, the iron scrap can be smoothly discharged after the heat conduction oil is filtered, the next filtering of the heat conduction oil cannot be influenced, the heat conduction oil can be filtered again by matching with the filter sieve and the oil outlet pipe, the filtered heat conduction oil can flow out of the oil outlet pipe, impurities are remained in the oil collecting tank, the filtering effect is enhanced through double filtering, and the damage of the impurities to the heat conduction oil is reduced.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a conduction oil on-line mechanical filtering tool and a filtering method thereof.
Background
The heat conduction oil is a special oil with good heat stability for indirectly transferring heat, and has the characteristics of uniform heating, accurate temperature regulation control, capability of generating high temperature under low steam pressure, good heat transfer effect, energy conservation, convenient transportation and operation and the like.
The traditional filtering tool generally comprises a filter and a filter plate, impurities are simply filtered through the filter plate, the filtering effect is poor in the mode, and when heat conduction oil flows through a filter hole to be filtered, due to the fact that the temperature is high, carbonization and coking phenomena easily occur to the heat conduction oil, after the heat conduction oil is used for a long time, coking materials are easily adhered to the filter plate, so that the filtering effect of the filter plate is affected.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, impurities are simply filtered through a filter plate, the filtering effect is poor, and when heat conduction oil flows through filter holes for filtering, the heat conduction oil is easy to carbonize and coke due to high temperature, and after the heat conduction oil is used for a long time, the coking materials are easy to adhere to the filter plate, so that the filtering effect of the filter plate is influenced, and provides the heat conduction oil on-line mechanical filtering tool and the filtering method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an online mechanical filtration frock of conduction oil, includes prefiltering mechanism, prefiltering mechanism includes the cartridge filter, the top intercommunication of cartridge filter has the oil inlet, the oil inlet is connected with outside oil pipe of leading, the bottom intercommunication of cartridge filter has the bits pipe, install first control flap on the bits pipe, the surface intercommunication of bits pipe has the connecting pipe, install second control flap on the connecting pipe, the surface of cartridge filter is equipped with the iron core, the surface cover of iron core is equipped with solenoid, the equal fixed mounting of cartridge filter and iron core is on the mounting bracket, the top of mounting bracket is fixed with the sump oil tank, be provided with the filter sieve in the sump oil tank, the bottom intercommunication of filter sieve has the oil pipe, the oil pipe rotates with the diapire of sump oil tank through sealed bearing to be connected, the bottom of sump oil tank is provided with and is used for driving oil pipe pivoted rotary mechanism, there is the scraper mechanism through the coupling assembling linkage on the rotary mechanism, the scraper mechanism is used for carrying out the indirectness to the outer wall and the filtration pore of filter sieve and clean, coupling assembling makes rotary mechanism and scraper mechanism operate simultaneously for accomplish the rotation and clean of filter sieve simultaneously, the top of sump oil tank is fixed has the oil suction pump, the oil suction end intercommunication with the oil suction end of connecting pipe.
Preferably, the rotating mechanism comprises two supporting blocks fixed at the bottom of the mounting frame, a worm is rotatably connected between the two supporting blocks through a bearing, a servo motor is fixed at the bottom of the mounting frame, an output shaft end of the servo motor penetrates through one of the supporting blocks and is fixedly connected with the left end of the worm, a worm wheel is meshed and connected with the outer surface of the worm, and the oil outlet pipe is fixed at the axis of the worm wheel.
Preferably, coupling assembling is including fixing the first belt gear dish at the worm right-hand member, the inside of oil collecting tank rotates through sealed bearing and is connected with the bull stick, the right-hand member of bull stick runs through the right wall of oil collecting tank and is fixed with the second belt gear rim plate, be connected through connecting belt transmission between first belt gear dish and the second belt gear rim plate, the external fixed surface of bull stick has the cam.
Preferably, scrape four installation pieces that the material mechanism includes that the symmetry is fixed at the sump oil tank left and right sides wall, the middle part of installation piece all slides and runs through there is the slide bar, the top of slide bar is fixed with the connecting piece, the connecting piece is located the below of cam, reset spring has all been cup jointed to the surface of slide bar, reset spring's both ends are fixed with installation piece and connecting piece respectively, the bottom mounting of slide bar has the go-between, the inboard of go-between is fixed with soft brush, soft brush closely laminates with the lateral wall of filter sieve.
Preferably, the oil outlet pipe is provided with a third control valve.
Preferably, the front surface of the oil collecting tank is hinged with a sealing door through a hinge, and a handle is fixed on the outer side surface of the sealing door.
Preferably, the bottom of mounting bracket is fixed with the collection box, the collection box is located the oil pipe under.
A filtering method of a heat conduction oil online mechanical filtering tool comprises the following steps:
step A: double filtration: connecting an external oil guide pipe with an oil inlet, guiding heat conduction oil into a filter cylinder, closing a first control valve and a second control valve, and switching on a power supply for an electromagnetic coil to enable an iron core to generate magnetism, wherein when the heat conduction oil mixed with impurities flows through the filter cylinder, scrap iron in the impurities is tightly attached to the inner wall of the filter cylinder through the magnetic guidance of the iron core, and primarily filtering the impurities;
and B: cleaning coked materials: the servo motor is started, the servo motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the oil outlet pipe to rotate, the oil outlet pipe drives the filter screen to rotate, impurities attached to the outer surface of the filter screen can be properly spun off by power generated by rotation of the filter screen, when the worm rotates, the first belt gear disc is driven to rotate together, the second belt gear disc is driven to rotate by the transmission effect of the connecting belt, the second belt gear disc drives the rotating rod to rotate, the cam rotates along with the rotating rod, when the protruding end of the cam rotates to the lower side, the cam extrudes the connecting piece, downward force is generated by the connecting piece, the sliding rod is driven to slide downwards in the mounting block, the reset spring is compressed, the connecting ring and the soft brush are attached to the outer surface of the filter screen and slide downwards along with the outer surface of the filter screen, the coke attached to the outer surface of the filter screen is scraped by the soft brush, when the protruding end of the cam rotates to the upper side, the cam is far away from the connecting piece, and the slide rod, the connecting ring and the soft brush are driven to slide upwards and move on the outer surface of the filter screen in a vertical direction.
Compared with the prior art, the invention provides the heat conduction oil online mechanical filtering tool and the filtering method thereof, and the tool has the following beneficial effects:
1. this online mechanical filter frock of conduction oil, through the cartridge filter, the oil inlet, the bits pipe, first control flap, the connecting pipe, second control flap, the iron core, mutually support between the solenoid, be used for carrying out the prefilter to the iron fillings impurity in the conduction oil, and make iron fillings discharge smoothly after the conduction oil filters, can not influence the next filtration of conduction oil, the cooperation is filtered sieve and is gone out the use of oil pipe, can filter the conduction oil once more, make the conduction oil after the filtration can follow the intraductal outflow of oil, stay impurity in the sump oil tank, through dual filtration, the filter effect has been strengthened, the harm that impurity produced the conduction oil has been reduced, make the conduction oil can recycle.
2. This online mechanical filter frock of conduction oil, through the supporting shoe, the worm, servo motor and the setting of worm wheel for order about out oil pipe and filter sieve and rotate, utilize the filter sieve to rotate and scrape the frictional force that produces between the material mechanism, can strike off the coking thing of condensing on the filter sieve surface, reduce and be stained with the coking thing of attaching on the filter sieve, rotate the power that produces through the filter sieve moreover, can be suitably will be stained with the impurity that attaches on the filter sieve surface and fall off soon, avoid impurity to block up the filtration pore, influence the filter effect of filter sieve.
3. This online mechanical filter frock of conduction oil, through the installation piece, the slide bar, the connecting piece, reset spring, mutually support between go-between and the soft brush, be used for making go-between and soft brush do indirect motion in the vertical direction of filter sieve surface, its purpose is in order to strike off the coking thing on the filter sieve, cooperation rotary mechanism's start-up, make the filter sieve can rotate, increase the frictional force between filter sieve and the soft brush, it is better to make the effect of removing the coking thing, setting through soft brush, be used for when soft brush moves from top to bottom, elasticity through soft brush, can insert soft brush in the filter hole on the filter sieve, impurity and coking thing in making the filter hole can be solved together, further avoid the filter hole to take place the jam.
4. This online mechanical filtration frock of conduction oil through first belt gear dish, bull stick, second belt gear rim plate, connection belt and the mutual cooperation between the cam for rotary mechanism can move simultaneously with scraping the material mechanism, makes the rotation of filter sieve and the upper and lower operation of soft brush go on in step, and by same power control, has reduced power quantity.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the double-filtration device can be used for carrying out double filtration on the used heat conduction oil, the filtration effect is enhanced, the harm of impurities to the heat conduction oil is reduced, in addition, the coking materials attached to the outer surface of the filter screen can be perfectly removed through the rotating mechanism and the scraping mechanism, the filter holes are prevented from being blocked by the coking materials and the impurities, the filtration effect of the filter screen is influenced, meanwhile, the rotating mechanism and the scraping mechanism can be operated simultaneously, the rotation of the filter screen and the up-and-down operation of the soft hairbrush can be synchronously carried out, and the number of power supplies is reduced.
Drawings
FIG. 1 is a schematic structural front view of a heat transfer oil on-line mechanical filtering tool and a filtering method thereof according to the present invention;
FIG. 2 is a schematic structural diagram of a pre-filtering mechanism of the heat-conducting oil on-line mechanical filtering tool and the filtering method thereof provided by the invention;
FIG. 3 is a schematic diagram of an iron core structure of a heat transfer oil on-line mechanical filtering tool and a filtering method thereof provided by the invention;
FIG. 4 is a schematic structural bottom view of a heat transfer oil on-line mechanical filtering tool and a filtering method thereof according to the present invention;
FIG. 5 is a schematic diagram of an internal structure of an oil collecting tank of the on-line mechanical heat transfer oil filtering tool and the filtering method thereof according to the present invention;
FIG. 6 is a schematic structural view of a rotating mechanism and a connecting assembly of the heat-conducting oil on-line mechanical filtering tool and the filtering method thereof provided by the invention;
FIG. 7 is a schematic structural view of a filter sieve of the heat transfer oil on-line mechanical filtering tool and the filtering method thereof provided by the invention;
fig. 8 is a schematic structural view of a scraping mechanism of the heat transfer oil on-line mechanical filtering tool and the filtering method thereof provided by the invention.
In the figure: 1. a pre-filtering mechanism; 101. a filter cartridge; 102. an oil inlet; 103. a scrap discharge pipe; 104. a first control valve; 105. a connecting pipe; 106. a second control valve; 107. an iron core; 108. an electromagnetic coil; 2. a mounting frame; 3. an oil collecting tank; 4. filtering and screening; 5. an oil outlet pipe; 6. a rotation mechanism; 601. a support block; 602. a worm; 603. a servo motor; 604. a worm gear; 7. a connecting assembly; 701. a first belt gear wheel; 702. a rotating rod; 703. a second toothed wheel; 704. connecting a belt; 705. a cam; 8. a scraping mechanism; 801. mounting blocks; 802. a slide bar; 803. a connecting member; 804. a return spring; 805. a connecting ring; 806. a soft brush; 9. an oil suction pump; 10. a fixed tube; 11. a third control valve; 12. a sealing door; 13. and (4) collecting the box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-8, an on-line mechanical heat conduction oil filtering tool comprises a pre-filtering mechanism 1, the pre-filtering mechanism 1 comprises a filter cylinder 101, the top of the filter cylinder 101 is communicated with an oil inlet 102, the oil inlet 102 is connected with an external oil guide pipe, the bottom of the filter cylinder 101 is communicated with a scrap outlet pipe 103, a first control valve 104 is installed on the scrap outlet pipe 103, the outer surface of the scrap outlet pipe 103 is communicated with a connecting pipe 105, a second control valve 106 is installed on the connecting pipe 105, an iron core 107 is arranged on the outer surface of the filter cylinder 101, an electromagnetic coil 108 is sleeved on the outer surface of the iron core 107, the filter cylinder 101 and the iron core 107 are both fixedly installed on an installation frame 2, an oil collecting tank 3 is fixed at the top of the installation frame 2, a filter sieve 4 is arranged in the oil collecting tank 3, an oil outlet pipe 5 is communicated with the bottom of the filter sieve 4, the oil outlet pipe 5 is rotatably connected with the bottom wall of the oil collecting tank 3 through a sealing bearing, the bottom of the oil collecting tank 3 is provided with a rotating mechanism 6 for driving the oil outlet pipe 5 to rotate, the rotating mechanism 6 is linked with a scraping mechanism 8 through a connecting assembly 7, the scraping mechanism 8 is used for indirectly wiping the outer wall and the filter hole of the filter screen 4, the connecting assembly 7 enables the rotating mechanism 6 and the scraping mechanism 8 to simultaneously operate and is used for simultaneously completing rotation and wiping of the filter screen 4, the top of the oil collecting tank 3 is fixedly provided with an oil suction pump 9, the oil outlet end of the oil suction pump 9 is communicated with the oil collecting tank 3 through a fixed pipe 10, one end of a connecting pipe 105 is connected with the oil inlet end of the oil suction pump 9, the oil outlet pipe 5 is provided with a third control valve 11, the front surface of the oil collecting tank 3 is hinged with a sealing door 12 through a hinge, the outer side surface of the sealing door 12 is fixedly provided with a handle, the bottom of the mounting frame 2 is fixedly provided with a collecting box 13, and the collecting box 13 is positioned right below the oil outlet pipe 5.
In the invention, heat conducting oil is led into an online machine for use, the temperature in the machine is raised, impurities in the machine can be taken away together after the heat conducting oil flows through devices in the online machine, the impurities are mixed in the heat conducting oil, when the impurities need to be filtered by using the filtering tool, an external oil guide pipe is connected with an oil inlet 102, the heat conducting oil is led into a filter cylinder 101, a first control valve 104 and a second control valve 106 are closed, a power supply is connected to an electromagnetic coil 108, the iron core 107 generates magnetism, when the heat conducting oil mixed with the impurities flows through the filter cylinder 101, the scrap iron in the impurities is closely attached to the inner wall of the filter cylinder 101 through the magnetic guide of the iron core 107, the impurities are primarily filtered, after the filtration, the second control valve 106 is opened, the first control valve 104 is closed, the heat conducting oil is turned on, an oil suction pump 9 is started, the heat conducting oil is sucked into the oil collecting tank 3 from a connecting pipe 105 and a fixed pipe 10 through the suction force generated by the oil suction pump 9, after the impurities are sucked, the scrap iron core 106 is closed, the first control valve 104 is opened, the heat conducting oil is turned off, the electromagnetic coil 108, the impurities are prevented from entering the filter cylinder 101 and then the filter cylinder 4 is opened, impurities are filtered, the impurities collected in the filter cylinder, the filter cylinder 4 can be filtered again, the impurities collected by the filter cylinder, the filter cylinder 4, and the impurities can be conveniently, the impurities can be filtered, the filtered heat conduction oil can flow out of the oil outlet pipe 5 for use, and the filtered heat conduction oil can be collected through the collecting box 13, so that the heat conduction oil can be used quickly, when cokes on the outer surface of the filter sieve 4 need to be cleaned, the oil outlet pipe 5 and the filter sieve 4 can be driven to rotate through the rotating mechanism 6, impurities attached to the filter sieve 4 can be preliminarily spun off, the filter holes are prevented from being blocked by the impurities, the scraping mechanism 8 can be rotated together through the linkage effect of the connecting assembly 7, the cokes on the outer surface of the filter sieve 4 can be scraped, the filtering effect of the filter sieve 4 is prevented from being influenced by the cokes, the filter sieve 4 does not need to be disassembled when being cleaned, manual cleaning is not needed, the labor intensity of workers is reduced, the heat conduction oil scraper is more convenient to use, the rotating mechanism 6 and the scraping mechanism 8 can synchronously operate through the arrangement of the sealing door 12, workers can clean the cokes, the connecting assembly 7 is convenient to use, and the rotating mechanism and the heat conduction oil scraper can be controlled by the same power supply, and the number of power supplies is reduced.
Example 2:
referring to fig. 1-8, an on-line mechanical heat conduction oil filtering tool comprises a pre-filtering mechanism 1, the pre-filtering mechanism 1 comprises a filter cylinder 101, the top of the filter cylinder 101 is communicated with an oil inlet 102, the oil inlet 102 is connected with an external oil guide pipe, the bottom of the filter cylinder 101 is communicated with a scrap outlet pipe 103, a first control valve 104 is installed on the scrap outlet pipe 103, the outer surface of the scrap outlet pipe 103 is communicated with a connecting pipe 105, a second control valve 106 is installed on the connecting pipe 105, an iron core 107 is arranged on the outer surface of the filter cylinder 101, an electromagnetic coil 108 is sleeved on the outer surface of the iron core 107, the filter cylinder 101 and the iron core 107 are both fixedly installed on an installation frame 2, an oil collecting tank 3 is fixed at the top of the installation frame 2, a filter sieve 4 is arranged in the oil collecting tank 3, an oil outlet pipe 5 is communicated with the bottom of the filter sieve 4, the oil outlet pipe 5 is rotatably connected with the bottom wall of the oil collecting tank 3 through a sealing bearing, the bottom of the oil collecting tank 3 is provided with a rotating mechanism 6 for driving the oil outlet pipe 5 to rotate, the rotating mechanism 6 is linked with a scraping mechanism 8 through a connecting assembly 7, the scraping mechanism 8 is used for indirectly wiping the outer wall and the filtering holes of the filtering screen 4, the connecting assembly 7 enables the rotating mechanism 6 and the scraping mechanism 8 to simultaneously operate and is used for simultaneously completing the rotation and wiping of the filtering screen 4, the top of the oil collecting tank 3 is fixed with an oil suction pump 9, the oil outlet end of the oil suction pump 9 is communicated with the oil collecting tank 3 through a fixed pipe 10, one end of a connecting pipe 105 is connected with the oil inlet end of the oil suction pump 9, the rotating mechanism 6 comprises two supporting blocks 601 fixed at the bottom of the mounting frame 2, a worm 602 is rotatably connected between the two supporting blocks 601 through a bearing, the bottom of the mounting frame 2 is fixed with a servo motor 603, and the output shaft end of the servo motor 603 penetrates through one of the supporting blocks 601 and is fixedly connected with the left end of the worm 602, the outer surface of the worm 602 is engaged with a worm wheel 604, and the oil outlet pipe 5 is fixed at the axis of the worm wheel 604.
In the invention, when the cokes on the outer surface of the filter screen 4 need to be cleaned, a worker starts the servo motor 603, the servo motor 603 drives the worm 602 to rotate, the worm 602 is meshed with the worm wheel 604, so that the worm 602 can drive the worm wheel 604 to rotate, the worm wheel 604 drives the oil outlet pipe 5 to rotate, the oil outlet pipe 5 drives the filter screen 4 to rotate, impurities attached to the outer surface of the filter screen 4 can be properly spun off by power generated by rotation of the filter screen 4, filter hole blockage caused by the impurities is avoided, the filter effect of the filter screen 4 is influenced, the worm 602 can be supported by the arrangement of the supporting block 601, and the stability of the rotation of the worm 602 is enhanced.
Example 3:
referring to fig. 1-8, an on-line mechanical heat conduction oil filtering tool comprises a pre-filtering mechanism 1, the pre-filtering mechanism 1 comprises a filter cylinder 101, the top of the filter cylinder 101 is communicated with an oil inlet 102, the oil inlet 102 is connected with an external oil guide pipe, the bottom of the filter cylinder 101 is communicated with a scrap outlet pipe 103, a first control valve 104 is installed on the scrap outlet pipe 103, the outer surface of the scrap outlet pipe 103 is communicated with a connecting pipe 105, a second control valve 106 is installed on the connecting pipe 105, the outer surface of the filter cylinder 101 is provided with an iron core 107, the outer surface of the iron core 107 is sleeved with an electromagnetic coil 108, the filter cylinder 101 and the iron core 107 are both fixedly installed on an installation frame 2, the top of the installation frame 2 is fixed with an oil collecting tank 3, a filter sieve 4 is arranged in the oil collecting tank 3, the bottom of the filter sieve 4 is communicated with an oil outlet pipe 5, the oil outlet pipe 5 is rotatably connected with the bottom wall of the oil collecting tank 3 through a seal bearing, a rotating mechanism 6 for driving the oil outlet pipe 5 to rotate is arranged at the bottom of the oil collecting tank 3, the rotating mechanism 6 is linked with a scraping mechanism 8 through a connecting assembly 7, the scraping mechanism 8 is used for indirectly wiping the outer wall and the filtering holes of the filtering screen 4, the connecting assembly 7 enables the rotating mechanism 6 and the scraping mechanism 8 to simultaneously operate and is used for simultaneously completing the rotation and wiping of the filtering screen 4, an oil suction pump 9 is fixed at the top of the oil collecting tank 3, the oil outlet end of the oil suction pump 9 is communicated with the oil collecting tank 3 through a fixed pipe 10, one end of a connecting pipe 105 is connected with the oil inlet end of the oil suction pump 9, the connecting assembly 7 comprises a first belt gear disc 701 fixed at the right end of a worm 602, a rotating rod 702 is rotatably connected inside the oil collecting tank 3 through a sealing bearing, the right end of the rotating rod 702 penetrates through the right wall of the oil collecting tank 3 and is fixed with a second belt gear disc 703, and the first belt gear disc 701 and the second belt gear disc 703 are in transmission connection through a connecting belt 704, a cam 705 is fixed to the outer surface of the rotary rod 702.
In the invention, when the worm 602 rotates, the first belt gear disc 701 is driven to rotate together, the second belt gear disc 703 is driven to rotate through the transmission action of the connecting belt 704, the second belt gear disc 703 drives the rotating rod 702 to rotate, the cam 705 is driven to rotate together, the scraping mechanism 8 can indirectly move up and down on the outer surface of the filter screen 4 through the rotation of the cam 705, the coked substances on the outer surface of the filter screen 4 are scraped, the rotating mechanism 6 can drive the scraping mechanism 8 to operate together while operating through the connecting component 7, the rotating mechanism 6 and the scraping mechanism 8 can be controlled by the power supply of the servo motor 603, and the number of power supplies is reduced.
Example 4:
referring to fig. 1-8, an on-line mechanical heat conduction oil filtering tool comprises a pre-filtering mechanism 1, the pre-filtering mechanism 1 comprises a filter cylinder 101, the top of the filter cylinder 101 is communicated with an oil inlet 102, the oil inlet 102 is connected with an external oil guide pipe, the bottom of the filter cylinder 101 is communicated with a scrap outlet pipe 103, a first control valve 104 is installed on the scrap outlet pipe 103, the outer surface of the scrap outlet pipe 103 is communicated with a connecting pipe 105, a second control valve 106 is installed on the connecting pipe 105, an iron core 107 is arranged on the outer surface of the filter cylinder 101, an electromagnetic coil 108 is sleeved on the outer surface of the iron core 107, the filter cylinder 101 and the iron core 107 are both fixedly installed on an installation frame 2, an oil collecting tank 3 is fixed at the top of the installation frame 2, a filter sieve 4 is arranged in the oil collecting tank 3, an oil outlet pipe 5 is communicated with the bottom of the filter sieve 4, the oil outlet pipe 5 is rotatably connected with the bottom wall of the oil collecting tank 3 through a sealing bearing, the bottom of the oil collecting tank 3 is provided with a rotating mechanism 6 for driving the oil outlet pipe 5 to rotate, the rotating mechanism 6 is linked with a scraping mechanism 8 through a connecting assembly 7, the scraping mechanism 8 is used for indirectly wiping the outer wall and the filtering holes of the filtering screen 4, the connecting assembly 7 enables the rotating mechanism 6 and the scraping mechanism 8 to simultaneously operate and is used for simultaneously completing the rotation and wiping of the filtering screen 4, the top of the oil collecting tank 3 is fixed with an oil suction pump 9, the oil outlet end of the oil suction pump 9 is communicated with the oil collecting tank 3 through a fixed pipe 10, one end of a connecting pipe 105 is connected with the oil inlet end of the oil suction pump 9, the scraping mechanism 8 comprises four mounting blocks 801 symmetrically fixed on the left side wall and the right side wall of the oil collecting tank 3, the middle parts of the mounting blocks 801 are all slidably penetrated with a sliding rod 802, the top of the sliding rod 802 is fixed with a connecting piece 803, the connecting piece 803 is positioned below the cam 705, the outer surface of the sliding rod 802 is all sleeved with a return spring 804, two ends of the return spring 804 are respectively fixed with the mounting block 801 and the connecting member 803, a connecting ring 805 is fixed at the bottom end of the sliding rod 802, a soft brush 806 is fixed at the inner side of the connecting ring 805, and the soft brush 806 is tightly attached to the outer side wall of the filter screen 4.
In the invention, when the convex end of the cam 705 rotates to the lower part, the cam 705 presses the connecting piece 803, so that the connecting piece 803 generates a downward force to drive the sliding rod 802 to slide downwards in the mounting block 801, the return spring 804 is compressed, the connecting ring 805 and the soft brush 806 are attached to the outer surface of the filter screen 4 and slide downwards along with the outer surface of the filter screen 4, the soft brush 806 scrapes off the coking substances attached to the outer surface of the filter screen 4 to avoid coking substance accumulation and influence on the filtering effect of the filter screen 4, when the convex end of the cam 705 rotates to the upper part, the cam 705 is far away from the connecting piece 803, and the sliding rod 802, the connecting ring 805 and the soft brush 806 are driven to slide upwards by the elasticity of the return spring 804, so that the soft brush 806 reciprocates up and down on the outer surface of the filter screen 4, the upper side surface and the lower side surface of the filter screen 4 can be scraped, the coking substances are treated more cleanly, and the soft brush 806 can be inserted into the filtering holes on the filter screen 4 when the soft brush 806 moves up and down, thereby avoiding the coking substances from being blocked by the filtering mechanism, and further improving the filtering effect of the filtering screen 4 when the filtering mechanism 806 rotates.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an online mechanical filter frock of conduction oil, includes prefiltration mechanism (1), its characterized in that, prefiltration mechanism (1) includes cartridge filter (101), the top intercommunication of cartridge filter (101) has oil inlet (102), oil inlet (102) are led oil pipe with the outside and are connected, the bottom intercommunication of cartridge filter (101) has chip outlet pipe (103), install first control flap (104) on chip outlet pipe (103), the surface intercommunication of chip outlet pipe (103) has connecting pipe (105), install second control flap (106) on connecting pipe (105), the surface of cartridge filter (101) is equipped with iron core (107), the surface cover of iron core (107) is equipped with solenoid (108), equal fixed mounting in mounting bracket (2) of cartridge filter (101) and iron core (107), the top of mounting bracket (2) is fixed with sump oil tank (3), be provided with filter sieve (4) in sump oil tank (3), the bottom intercommunication of filter sieve (4) has oil outlet pipe (5), oil outlet pipe (5) are connected with sump oil tank (3) through sealed bearing, the rotary mechanism (6) is used for scraping rotary mechanism (6) bottom rotary mechanism (6), scrape material mechanism (8) and be used for carrying out the indirectness to the outer wall and the filtration pore of filter sieve (4) and clean, coupling assembling (7) make rotary mechanism (6) and scrape material mechanism (8) and operate simultaneously for accomplish the rotation of filter sieve (4) simultaneously and clean, the top of sump oil tank (3) is fixed with oil suction pump (9), the end of producing oil of oil suction pump (9) is through fixed pipe (10) and sump oil tank (3) intercommunication, the one end of connecting pipe (105) is connected with the oil feed end of oil suction pump (9).
2. The heat conduction oil online mechanical filtering tool according to claim 1, wherein the rotating mechanism (6) comprises two supporting blocks (601) fixed to the bottom of the mounting frame (2), a worm (602) is rotatably connected between the two supporting blocks (601) through a bearing, a servo motor (603) is fixed to the bottom of the mounting frame (2), an output shaft end of the servo motor (603) penetrates through one of the supporting blocks (601) and is fixedly connected with the left end of the worm (602), a worm wheel (604) is connected to the outer surface of the worm (602) in a meshed manner, and the oil outlet pipe (5) is fixed to the axis of the worm wheel (604).
3. The online mechanical filtration tool for heat transfer oil of claim 2, wherein the connection assembly (7) comprises a first belt gear disc (701) fixed at the right end of a worm (602), the inside of the oil collection tank (3) is rotatably connected with a rotating rod (702) through a sealed bearing, the right end of the rotating rod (702) penetrates through the right wall of the oil collection tank (3) and is fixed with a second belt gear disc (703), the first belt gear disc (701) is in transmission connection with the second belt gear disc (703) through a connection belt (704), and a cam (705) is fixed on the outer surface of the rotating rod (702).
4. The online mechanical filter tooling of conduction oil according to claim 3, characterized in that the scraping mechanism (8) comprises four mounting blocks (801) symmetrically fixed to the left and right side walls of the oil collecting tank (3), slide bars (802) are slidably penetrated through the middle portions of the mounting blocks (801), connecting pieces (803) are fixed to the tops of the slide bars (802), the connecting pieces (803) are located below the cam (705), return springs (804) are sleeved on the outer surfaces of the slide bars (802), the two ends of each return spring (804) are respectively fixed to the mounting blocks (801) and the connecting pieces (803), a connecting ring (805) is fixed to the bottom end of each slide bar (802), a soft brush (806) is fixed to the inner side of the connecting ring (805), and the soft brush (806) is tightly attached to the outer side wall of the filter screen (4).
5. The on-line mechanical heat transfer oil filtering tool according to claim 1, wherein a third control valve (11) is mounted on the oil outlet pipe (5).
6. A conduction oil online mechanical filtering tool according to claim 1, wherein a sealing door (12) is hinged to the front face of the oil collecting tank (3) through a hinge, and a handle is fixed to the outer side face of the sealing door (12).
7. The on-line mechanical heat transfer oil filtering tool according to claim 1, wherein a collecting box (13) is fixed to the bottom of the mounting frame (2), and the collecting box (13) is located right below the oil outlet pipe (5).
8. The filtering method of the heat transfer oil on-line mechanical filtering tool according to claim 4, characterized by comprising the following steps:
step A: double filtration: connecting an external oil guide pipe with an oil inlet (102), guiding heat conduction oil into a filter cylinder (101), closing a first control valve (104) and a second control valve (106), switching on a power supply for an electromagnetic coil (108) to enable an iron core (107) to generate magnetism, when the heat conduction oil mixed with impurities flows through the filter cylinder (101), leading the scrap iron in the impurities to be closely attached to the inner wall of the filter cylinder (101) through the magnetic guide of the iron core (107), primarily filtering the impurities, opening the second control valve (106) after filtering, closing the first control valve (104), simultaneously starting an oil suction pump (9), sucking the heat conduction oil into an oil collecting tank (3) from a connecting pipe (105) and a fixed pipe (10) through suction force generated by the oil suction pump (9), closing the second control valve (106) after sucking the heat conduction oil, opening the first control valve (104), switching off the power supply of the electromagnetic coil (108), enabling the magnetic force generated by the iron core (107) to disappear, enabling the scrap iron attached to fall off from the inner wall of the filter cylinder (101), enabling the scrap iron to flow out of a pre-filtering pipe (103), enabling the heat conduction oil to flow out of a mechanism (1), guiding the heat conduction oil to flow into the filter screen through a filter screen, enabling the heat conduction oil to flow into the filter mechanism (4), and then to pass through a filter screen hole of the filter tank (4), and then enabling the scrap iron to be retained in the filter tank (4), the impurities can be filtered again;
and B: cleaning coked materials: starting a servo motor (603), driving a worm (602) to rotate by the servo motor (603), driving a worm wheel (604) to rotate by the worm (602), driving an oil outlet pipe (5) to rotate by the worm wheel (604), driving a filter sieve (4) to rotate by the oil outlet pipe (5), driving a second toothed wheel disc (703) to rotate by the power generated by the rotation of the filter sieve (4), driving a rotating rod (702) to rotate by the second toothed wheel disc (703) under the driving action of a connecting belt (704) so as to drive a cam (705) to rotate together, when a convex end of the cam (705) rotates to the lower side, extruding the connecting piece (803) by the cam (705), enabling the connecting piece (803) to generate a downward force so as to drive a sliding rod (802) to slide downwards in a mounting block (801), compressing a return spring (804) to compress the connecting ring, enabling the connecting ring (804) and the soft connecting piece (705) to adhere to the outer surface of the filter sieve (4) and scraping the filter sieve (4) away from the upper side by a soft brush (806) which is attached to the filter sieve, and a soft brush (806) attached to the filter sieve (4) and scraping brush (806), the elastic force of the return spring (804) drives the slide bar (802), the connecting ring (805) and the soft brush (806) to slide upwards, so that the soft brush (806) performs return motion up and down on the outer surface of the filter screen (4), and the upper side surface and the lower side surface of the filter screen (4) can be scraped.
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| CN202211122002.9A CN115475443B (en) | 2022-09-15 | 2022-09-15 | Heat conduction oil on-line mechanical filtering tool and filtering method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816371A (en) * | 2024-03-01 | 2024-04-05 | 智奇铁路设备有限公司 | Movable external hydraulic oil impurity and dirt separation equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6443320A (en) * | 1987-08-12 | 1989-02-15 | Nippon Systemation Eng | Filter |
| WO1994007587A1 (en) * | 1992-10-03 | 1994-04-14 | Walter Möck GmbH | Device for filtering polluted liquids, in particular used oil |
| GB0818073D0 (en) * | 2008-10-02 | 2008-11-05 | Chiou Wen Liang | Water filter with a cleanable and replaceable filter element |
| JP2009208022A (en) * | 2008-03-05 | 2009-09-17 | Tokyo Electric Power Co Inc:The | Pcb-containing oil sludge treatment device and pcb-containing oil sludge treatment method |
| JP2010064166A (en) * | 2008-09-09 | 2010-03-25 | Mosunikku Kk | Filtration equipment for removing small cutting chips mixed in cutting fluid used for metal cutting to produce filtered cutting fluid, and filtration apparatus incorporating the filtration equipment |
| CN207463440U (en) * | 2017-12-21 | 2018-06-08 | 四川凯尔油气田技术服务有限公司 | A kind of Portable high-temperature high-pressure multiviscosity meter heat conduction oil treatment provisions |
| CN207680159U (en) * | 2017-12-21 | 2018-08-03 | 四川凯尔油气田技术服务有限公司 | A kind of multiviscosity meter conduction oil reuse means |
| CN210905288U (en) * | 2019-11-05 | 2020-07-03 | 雄县卓远制版有限公司 | Be used for retrieving machine and add emulsified oil filter equipment |
| CN212225680U (en) * | 2020-02-27 | 2020-12-25 | 山东鑫海能润滑油股份有限公司 | Hydraulic oil filter equipment that prevents dust |
| CN212327592U (en) * | 2020-04-24 | 2021-01-12 | 兰州丰收机械制造有限责任公司 | Petroleum exploration exploitation is with petroleum filter equipment |
| CN113648723A (en) * | 2021-09-17 | 2021-11-16 | 内江市博威能源有限公司 | Oil residue separation device for coal tar recovery and use method thereof |
| CN215277967U (en) * | 2021-02-04 | 2021-12-24 | 湖北力泰环保科技有限公司 | Prevent snow melt agent centrifugal device of jam |
-
2022
- 2022-09-15 CN CN202211122002.9A patent/CN115475443B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6443320A (en) * | 1987-08-12 | 1989-02-15 | Nippon Systemation Eng | Filter |
| WO1994007587A1 (en) * | 1992-10-03 | 1994-04-14 | Walter Möck GmbH | Device for filtering polluted liquids, in particular used oil |
| JP2009208022A (en) * | 2008-03-05 | 2009-09-17 | Tokyo Electric Power Co Inc:The | Pcb-containing oil sludge treatment device and pcb-containing oil sludge treatment method |
| JP2010064166A (en) * | 2008-09-09 | 2010-03-25 | Mosunikku Kk | Filtration equipment for removing small cutting chips mixed in cutting fluid used for metal cutting to produce filtered cutting fluid, and filtration apparatus incorporating the filtration equipment |
| GB0818073D0 (en) * | 2008-10-02 | 2008-11-05 | Chiou Wen Liang | Water filter with a cleanable and replaceable filter element |
| CN207463440U (en) * | 2017-12-21 | 2018-06-08 | 四川凯尔油气田技术服务有限公司 | A kind of Portable high-temperature high-pressure multiviscosity meter heat conduction oil treatment provisions |
| CN207680159U (en) * | 2017-12-21 | 2018-08-03 | 四川凯尔油气田技术服务有限公司 | A kind of multiviscosity meter conduction oil reuse means |
| CN210905288U (en) * | 2019-11-05 | 2020-07-03 | 雄县卓远制版有限公司 | Be used for retrieving machine and add emulsified oil filter equipment |
| CN212225680U (en) * | 2020-02-27 | 2020-12-25 | 山东鑫海能润滑油股份有限公司 | Hydraulic oil filter equipment that prevents dust |
| CN212327592U (en) * | 2020-04-24 | 2021-01-12 | 兰州丰收机械制造有限责任公司 | Petroleum exploration exploitation is with petroleum filter equipment |
| CN215277967U (en) * | 2021-02-04 | 2021-12-24 | 湖北力泰环保科技有限公司 | Prevent snow melt agent centrifugal device of jam |
| CN113648723A (en) * | 2021-09-17 | 2021-11-16 | 内江市博威能源有限公司 | Oil residue separation device for coal tar recovery and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王燕丽，贺小娟: "《物理 基础模块 双色版》", 31 August 2020, 航空工业出版社, pages: 104 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816371A (en) * | 2024-03-01 | 2024-04-05 | 智奇铁路设备有限公司 | Movable external hydraulic oil impurity and dirt separation equipment |
| CN117816371B (en) * | 2024-03-01 | 2024-05-10 | 智奇铁路设备有限公司 | Movable external hydraulic oil impurity and dirt separation equipment |
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| CN115475443B (en) | 2024-08-23 |
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