CN118594093B - Disc filter with efficient filter disc structure - Google Patents

Disc filter with efficient filter disc structure Download PDF

Info

Publication number
CN118594093B
CN118594093B CN202411080313.2A CN202411080313A CN118594093B CN 118594093 B CN118594093 B CN 118594093B CN 202411080313 A CN202411080313 A CN 202411080313A CN 118594093 B CN118594093 B CN 118594093B
Authority
CN
China
Prior art keywords
filter
air outlet
assembly
fixedly mounted
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202411080313.2A
Other languages
Chinese (zh)
Other versions
CN118594093A (en
Inventor
孙大林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lianyungang Boyun Machinery Co ltd
Original Assignee
Lianyungang Boyun Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lianyungang Boyun Machinery Co ltd filed Critical Lianyungang Boyun Machinery Co ltd
Priority to CN202411080313.2A priority Critical patent/CN118594093B/en
Publication of CN118594093A publication Critical patent/CN118594093A/en
Application granted granted Critical
Publication of CN118594093B publication Critical patent/CN118594093B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/15Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/46Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/48Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/58Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/70Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a disc filter with a high-efficiency filter disc structure, and relates to the technical field of disc filters. The invention comprises a filter shell, wherein a scraping plate is fixedly arranged in the filter shell, the interior of the filter shell is divided into a filter tank and a collecting tank by the scraping plate, and a rotary drum is rotatably arranged in the filter tank. According to the invention, impurities in the filter disc are conveniently cleaned through the extraction assembly, and meanwhile, solid particles in filtration are conveniently and uniformly dispersed in liquid by the stirring assembly, the reciprocating assembly and the exhaust assembly II, so that the solid-liquid separation effect is improved, the solid particles can be ensured to be better contacted with the filter medium, meanwhile, the gas exhausted by the exhaust assembly I enters the filter disc, the cleaning of the impurities in the filter disc is effectively improved, and the blowing-off assembly and the scraping plate are used for cleaning the impurities on the filter disc, so that the filtration efficiency of the disc filter is effectively improved.

Description

Disc filter with efficient filter disc structure
Technical Field
The invention belongs to the technical field of disc filters, and particularly relates to a disc filter with a high-efficiency filter disc structure.
Background
The disc filter adopts a series of rotary filter discs, solid-liquid separation is realized through gaps between filter cloth, when suspension enters a filtering area, solid particles are trapped on the surfaces of the discs, clear liquid flows out from the gaps of the discs, and along with the rotation of the discs, filter cakes are scraped by a scraper, so that continuous filtration is realized.
In the prior art, the disc filter is used for blocking and intercepting impurities continuously, a large amount of dirt impurities are accumulated on the filter discs, corresponding scraping plates are arranged in the disc filter for cleaning the impurities on the filter discs, but due to the flowing of liquid, partial impurities enter the filter discs, when the impurities in the filter discs are too much, people are required to replace the filter discs, so that manpower is wasted, the working efficiency of the disc filter is also affected, the filter discs can filter too much solid particle impurities, but all the impurities cannot be completely adhered to the filter discs, partial impurities can stay on one sides of the two filter discs or between the two filter discs, and the impurities can be stopped between the two filter discs or on the surfaces of filter media due to the fact that the impurities cannot be cleaned, so that the filtering effect of the filter discs can be affected.
Therefore, we provide a disc filter with a high-efficiency filter disc structure, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a disc filter with a high-efficiency filter disc structure, which solves the problems that the internal impurities of a filter disc are excessive, and part of impurities between two filter discs cannot be adhered to the filter disc, so that the impurities cannot be cleaned in time and the filtering effect of the filter disc is affected by the cooperation of an extraction assembly, a driving assembly, a stirring assembly, a reciprocating assembly, an exhaust assembly I, an exhaust assembly II and a blowing-down group.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a disc filter with a high-efficiency filter disc structure, which comprises a filter shell, wherein a scraping plate is fixedly arranged in the filter shell, the interior of the filter shell is divided into a filter tank and a collecting tank by the scraping plate, a rotary drum is rotatably arranged in the filter tank, a plurality of filter discs are fixedly arranged on the rotary drum, an extraction assembly is arranged on the rotary drum, and impurities in the filter discs are cleaned by the extraction assembly;
the side end face of the filter shell is provided with a driving assembly, the driving assembly is provided with a stirring assembly, and liquid between two filter discs is stirred through the stirring assembly;
The outer side surface of the filter disc is provided with a plurality of mounting through grooves, and a grid plate is arranged in each mounting through groove;
The driving assembly is further provided with a reciprocating assembly, the reciprocating assembly is provided with a first exhaust assembly and a second exhaust assembly, the first exhaust assembly is provided with a blowing-down assembly, and the second exhaust assembly is provided with an air outlet assembly.
The invention is further arranged that the extraction assembly comprises an exhaust fan and a plurality of communicating pipes, the exhaust fan is fixedly arranged at the outlet position of the rotary drum, a filter screen is fixedly arranged at the outlet position of the rotary drum, the position of the filter screen is positioned at the input end of the exhaust fan, the communicating pipes are fixedly communicated in the rotary drum, and the rotary drum is communicated with the inside of the filter disc through the communicating pipes.
The invention further provides that the driving assembly comprises a support plate, a motor is fixedly arranged on the support plate, an output shaft is fixedly arranged at the output end of the motor, and one end of the output shaft, which is far away from the motor, extends to the interior of the filter tank and is fixedly arranged with the rotary drum.
The stirring assembly comprises a first belt pulley and a U-shaped plate, wherein the first belt pulley is fixedly arranged on an output shaft, the U-shaped plate is fixedly arranged in a filter shell, the U-shaped plate is rotatably arranged on a driving shaft, a second belt pulley is fixedly arranged on the driving shaft, and the first belt pulley drives the second belt pulley to drive through the first belt pulley.
The invention is further characterized in that a plurality of worms are fixedly arranged on the driving shaft, a stirring shaft is rotatably arranged in the U-shaped plate, a worm wheel and stirring blades are fixedly arranged on the stirring shaft, the position of the worm wheel is positioned at the outer side of the filtering shell, the stirring blades are positioned in the filtering groove and between the two filtering discs, and the worms are meshed with the worm wheel.
The invention further provides that the reciprocating assembly comprises a reciprocating thread, a sliding block is movably arranged on the reciprocating thread, a crescent pin is movably arranged on the lower end face of the sliding block, a pushing plate is fixedly arranged on the upper end face of the sliding block, a limiting block is fixedly arranged on the front surface of the sliding block, and a limiting groove matched with the limiting block for use is formed in the inner side face of the U-shaped plate.
The invention further provides that the first exhaust component comprises a first positioning plate, the first positioning plate is fixedly arranged on the filtering shell, a first air outlet tube is fixedly arranged on the first positioning plate, a first push rod is movably arranged on the first air outlet tube, one end of the first push rod, which is far away from the first air outlet tube, is fixedly arranged on the push plate, an air outlet of the first air outlet tube is fixedly communicated with a first exhaust tube, one end of the first exhaust tube, which is far away from the first air outlet tube, is fixedly communicated with a first shunt tube, a first air outlet tube is fixedly communicated with the first shunt tube, one end of the first air outlet tube, which is far away from the first shunt tube, is fixedly communicated with an arc tube, and a vent matched with the installation through groove is formed in the arc tube.
The invention is further characterized in that symmetrically arranged mounting frames are fixedly arranged on the filter shell, a supporting plate is fixedly arranged between the two mounting frames, a positioning rod is fixedly arranged on the lower end face of the supporting plate, and the arc-shaped pipe is fixedly arranged on the supporting plate through the positioning rod.
The invention further provides that the exhaust assembly II comprises a second positioning plate, the second positioning plate is fixedly arranged on the filter shell, a second air outlet tube is fixedly arranged on the second positioning plate, a second push rod is movably arranged on the second air outlet tube, once the second push rod is far away from the second air outlet tube, the push plate is fixedly arranged on the air outlet of the second air outlet tube, the air outlet of the second air outlet tube is fixedly communicated with a second exhaust tube, one end of the second exhaust tube, which is far away from the second air outlet tube, is fixedly communicated with a second shunt tube, the second air outlet tube is fixedly communicated with the second shunt tube, one end of the second air outlet tube, which is far away from the second shunt tube, extends into the filter shell, and the air outlet of the second air outlet tube is positioned between the two filter discs.
The invention further provides that the blowing-down assembly comprises a mounting plate, the mounting plate is fixedly arranged on the supporting plate, the mounting plate is provided with a gas collecting pipe, a plurality of gas blowing pipes are fixedly arranged on the gas collecting pipe, one ends of the gas collecting pipes are fixedly communicated with the first shunt pipes, the gas blowing pipes are positioned above the collecting grooves, and the gas blowing pipes and the side end faces of the filter discs are in the same vertical direction.
The invention has the following beneficial effects:
1. according to the invention, when the impurities in the filter disc are excessive, the exhaust fan in the extraction assembly is started, the impurities in the filter disc are conveniently sucked into the rotary drum by utilizing the suction force of the exhaust fan and the action of the communicating pipe, the impurities in the rotary drum can be intercepted by the filter screen and are positioned at the discharge port, and the air permeability of the filter disc can be recovered by cleaning the impurities in the filter disc, so that the filtering efficiency of the filter disc is effectively improved;
2. According to the invention, when the motor drives the rotary drum to rotate through the output shaft, the output shaft synchronously drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the transmission belt when rotating, the driving shaft drives the driving shaft to rotate when rotating, the driving shaft drives the worm to rotate when rotating, the stirring shaft is driven to rotate by meshing of the worm and the worm wheel, liquid between the two filter discs is stirred through the stirring blades on the stirring shaft, solid particles in the liquid can be more uniformly dispersed in the liquid, the effect of solid-liquid separation is improved, so that the solid particles can be ensured to be better contacted with the filter medium, and the filtering efficiency of the filter discs is improved;
3. According to the invention, when the driving shaft rotates, the reciprocating threads are synchronously driven to rotate, the sliding block on the reciprocating threads is in a state of horizontal reciprocating movement under the action of the crescent pin and the limiting block, when the sliding block moves at the left side, the piston on the first push rod is pushed by the pushing plate on the sliding block to move in the first air outlet cylinder, gas generated by the air outlet cylinder enters the first shunt tube, part of the gas in the first shunt tube blows the gas into the filter disc through the vent hole on the arc tube, and impurities in the filter disc enter the rotary drum better by blowing of air flow, so that the effect of cleaning the impurities in the filter disc is improved;
4. When the pushing plate on the sliding block moves to the right, the pushing plate drives the piston on the second push rod to move in the second air outlet cylinder, gas generated by the second air outlet cylinder enters the second shunt pipe through the second exhaust pipe, the gas is conveniently blown into the filter tank through the second air outlet pipe on the second shunt pipe, the blown gas is positioned between the two filter discs, the filtering efficiency of the filter discs is improved, the filtering resistance is reduced, the accumulation of dregs is prevented, and the fluidity of liquid is improved;
5. According to the invention, part of air flow in the first shunt tube is conveniently introduced into the air blowing tube through the air collecting tube, the air flow is conveniently blown to impurities on the filter disc through the air outlet of the air blowing tube, the blown impurities can directly fall into the collecting tank, and the impurities on the filter disc are cleaned in advance through the air flow, so that the effect of scraping the impurities on the filter disc by the scraping plate is effectively improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly described below.
FIG. 1 is a perspective view of a disc filter with a high efficiency filter disc structure;
FIG. 2 is a perspective view of a disc filter with a high efficiency filter disc structure;
FIG. 3 is a perspective view of a disc filter with a high efficiency filter disc structure;
FIG. 4 is a perspective view of a disc filter with a high efficiency filter disc construction;
FIG. 5 is a schematic view showing the internal structure of a filter housing in a disc filter having a high efficiency filter disc structure;
FIG. 6 is an enlarged schematic view of the invention at A in FIG. 5;
FIG. 7 is an enlarged schematic view of the present invention at B in FIG. 5;
FIG. 8 shows a support plate according to the present invention a mounting plate connection structure schematic diagram;
FIG. 9 is a schematic view of the internal structure of a drum in a disc filter of a high efficiency filter disc construction.
In the accompanying drawings: 1. a filter housing; 2. a scraper; 3. a filter tank; 4. a collection tank; 5. a rotating drum; 6. a filter tray; 7. installing a through groove; 8. a grid plate; 9. an exhaust fan; 10. a communicating pipe; 11. a filter screen; 12. a support plate; 13. a motor; 14. an output shaft; 15. a first pulley; 16. a U-shaped plate; 17. a drive shaft; 18. a second pulley; 19. a worm; 20. a stirring shaft; 21. a worm wheel; 22. stirring blades; 23. a reciprocating thread; 24. a slide block; 25. a crescent pin; 26. a pushing plate; 27. a limiting block; 28. a first positioning plate; 29. a first air outlet; 30. a first push rod; 31. a first exhaust pipe; 32. a first shunt; 33. a first air outlet pipe; 34. an arc tube; 35. a vent; 36. a mounting frame; 37. a support plate; 38. a positioning rod; 39. a second positioning plate; 40. a second air outlet; 41. a second push rod; 42. a second exhaust pipe; 43. a second shunt tube; 44. a second air outlet pipe; 45. a mounting plate; 46. a gas collecting tube; 47. and (3) an air blowing pipe.
Detailed Description
The following description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, where the described embodiments are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-9, the disc filter with a high-efficiency filter disc structure comprises a filter shell 1, wherein a scraper 2 is fixedly installed in the filter shell 1, a liquid inlet pipe is fixedly communicated with the right side surface of the filter shell 1, a liquid outlet pipe is fixedly communicated with the left side surface of the filter shell 1, liquid is conveniently introduced into the filter shell 1 through the liquid inlet pipe, the filtered liquid is conveniently discharged from the filter shell 1 through the liquid outlet pipe, a valve is arranged on each of the liquid inlet pipe and the liquid outlet pipe, impurities in the filter disc 6 are cleaned through the extraction assembly, the scraper 2 is square in shape, square through grooves which are convenient for the filter disc 6 to rotate are arranged on the scraper 2, impurities on the filter disc 6 are conveniently scraped off through the scraper 2 when the filter disc 6 rotates, the right side surface of the filter shell 1 is fixedly communicated with a liquid inlet pipe, the filtered liquid is conveniently discharged from the filter shell 1 through the liquid outlet pipe, and the end surfaces of the filter disc 4 are respectively provided with valves;
The side end face of the filter shell 1 is provided with a driving component, the driving component is provided with a stirring component, and liquid between the two filter discs 6 is stirred through the stirring component;
The driving assembly comprises a support plate 12, the support plate 12 is fixedly arranged on the side end surface of the filter shell 1, the support plate 12 is L-shaped, a motor 13 is fixedly arranged on the support plate 12, an output shaft 14 is fixedly arranged at the output end of the motor 13, and one end of the output shaft 14, far away from the motor 13, extends to the inside of the filter tank 3 and is fixedly arranged with the rotary drum 5;
the outer side surface of the filter disc 6 is provided with a plurality of mounting through grooves 7, and a grid plate 8 is arranged in each mounting through groove 7;
The extraction assembly comprises an exhaust fan 9 and a plurality of communicating pipes 10, wherein the exhaust fan 9 is fixedly arranged at the outlet position of the rotary drum 5, a filter screen 11 is fixedly arranged at the outlet position of the rotary drum 5, the position of the filter screen 11 is positioned at the input end of the exhaust fan 9, the plurality of communicating pipes 10 are fixedly communicated in the rotary drum 5, the rotary drum 5 is communicated with the inside of the filter disc 6 through the communicating pipes 10, a discharge opening is formed in the rotary drum 5, a material gate is arranged at the position of the discharge opening, and impurities extracted from the filter disc 6 are conveniently discharged from the discharge opening by opening the material gate;
the driving assembly is also provided with a reciprocating assembly, the reciprocating assembly is provided with a first exhaust assembly and a second exhaust assembly, the first exhaust assembly is provided with a blowing-down assembly, and the second exhaust assembly is provided with an air outlet assembly.
In this embodiment, when the inside impurity of filter disc 6 is too much, through the suction of start extraction air exhauster 9 in the subassembly, through the suction of air exhauster 9, utilize the effect of communicating pipe 10 to be convenient for inhale the inside of rotary drum 5 with the impurity that is in filter disc 6 to the inside impurity of rotary drum 5 can be in the position of bin outlet through the interception of filter screen 11, through clear up the impurity of filter disc 6 inside, can resume filter disc 6 gas permeability, improve the filtration efficiency of filter disc 6 effectively.
Referring to fig. 1 to 9, in a second embodiment, on the basis of the first embodiment, a driving assembly is disposed on a side end surface of a filter housing 1, and a stirring assembly is disposed on the driving assembly, and the liquid between two filter discs 6 is stirred by the stirring assembly;
The stirring assembly comprises a first belt pulley 15 and a U-shaped plate 16, wherein the first belt pulley 15 is fixedly arranged on an output shaft 14, the U-shaped plate 16 is fixedly arranged in the filter shell 1, the U-shaped plate 16 is rotatably arranged on a driving shaft 17, a second belt pulley 18 is fixedly arranged on the driving shaft 17, the first belt pulley 15 drives the second belt pulley 18 to drive through the first belt pulley 15, the position of the first belt pulley 15 is positioned on the outer side of the filter shell 1, the size of the first belt pulley 15 is larger than that of a gear of the second belt pulley 18, the first belt pulley 15 is ensured to drive the second belt pulley 18 to rotate through a Chai Dong belt, the belt pulley can be replaced by a chain wheel according to the requirements of personnel, and the driving belt is replaced by a chain, so that the implementation of the whole technical scheme cannot be influenced after the replacement is finished;
The drive shaft 17 is fixedly provided with a plurality of worms 19, the inside of the U-shaped plate 16 is rotatably provided with a stirring shaft 20, the stirring shaft 20 is fixedly provided with a worm wheel 21 and stirring blades 22, the position of the worm wheel 21 is located on the outer side of the filter shell 1, the stirring blades 22 are located in the filter tank 3 and between the two filter discs 6, the worms 19 are meshed with the worm wheel 21, the number of the worms 19 corresponds to that of the worm wheels 21, one end of the stirring shaft 20, far away from the U-shaped plate 16, extends to the inside of the filter shell 1, and the stirring shaft 20 is rotatably provided with the filter shell 1.
In this embodiment, when the motor 13 drives the drum 5 to rotate through the output shaft 14, the output shaft 14 synchronously drives the first belt pulley 15 to rotate, the first belt pulley 15 drives the second belt pulley 18 to rotate through the transmission belt when rotating, the driving shaft 17 is driven to rotate when the second belt pulley 18 rotates, the driving shaft 17 drives the worm 19 to rotate when rotating, the stirring shaft 20 is driven to rotate by utilizing the meshing of the worm 19 and the worm wheel 21, the stirring blades 22 on the stirring shaft 20 stir the liquid between the two filter discs 6, solid particles in the liquid can be dispersed in the liquid more uniformly, the solid-liquid separation effect is improved, so that the solid particles can be ensured to be better contacted with the filter media, and the filtering efficiency of the filter discs 6 is improved.
Referring to fig. 1 to 9, in a third embodiment, on the basis of the first embodiment, the reciprocating assembly includes a reciprocating thread 23, a slider 24 is movably mounted on the reciprocating thread 23, a crescent pin 25 is movably mounted on a lower end surface of the slider 24, a pushing plate 26 is fixedly mounted on an upper end surface of the slider 24, a limiting block 27 is fixedly mounted on a front surface of the slider 24, a limiting groove matched with the limiting block 27 is formed on an inner side surface of the u-shaped plate 16, the reciprocating thread 23 is identical to a thread on a reciprocating screw rod in the prior art, and a principle of reciprocating motion of the slider 24 on the reciprocating thread 23 by utilizing the crescent pin 25 is identical to that of the reciprocating screw rod in the prior art, which is not described in detail herein;
The first exhaust assembly comprises a first positioning plate 28, the first positioning plate 28 is fixedly arranged on the filter shell 1, a first air outlet tube 29 is fixedly arranged on the first positioning plate 28, a first push rod 30 is movably arranged on the first air outlet tube 29, one end of the first push rod 30, which is far away from the first air outlet tube 29, is fixedly arranged on the push plate 26, the air outlet of the first air outlet tube 29 is fixedly communicated with a first exhaust tube 31, one end of the first exhaust tube 31, which is far away from the first air outlet tube 29, is fixedly communicated with a first air outlet tube 33, one end of the first air outlet tube 33, which is far away from the first shunt tube 32, is fixedly communicated with an arc tube 34, a vent 35 matched with the installation through groove 7 is formed in the arc tube 34, the shape of the arc tube 34 can be set into a block shape and a tube shape according to the requirements of personnel in the technical scheme;
The filter shell 1 is fixedly provided with symmetrically arranged mounting frames 36, a supporting plate 37 is fixedly arranged between the two mounting frames 36, a positioning rod 38 is fixedly arranged on the lower end face of the supporting plate 37, the arc-shaped pipe 34 is fixedly arranged on the supporting plate 37 through the positioning rod 38, and the two mounting frames 36 are U-shaped.
In this embodiment, when the driving shaft 17 rotates, the reciprocating screw thread 23 is synchronously driven to rotate, the sliding block 24 on the reciprocating screw thread 23 is in a state of horizontal reciprocating movement under the action of the crescent pin 25 and the limiting block 27, when the sliding block 24 moves left, the pushing plate 26 on the sliding block 24 pushes the piston on the first push rod 30 to move in the first air outlet cylinder 29, the air generated by the air outlet cylinder enters the first shunt tube 32, part of the air in the first shunt tube 32 blows the air into the filter disc 6 through the mounting through groove 7 by the ventilation opening 35 on the arc tube 34, and the impurities in the filter disc 6 better enter the drum 5 by the blowing of the air flow, so that the effect of cleaning the impurities in the filter disc 6 is improved.
Referring to fig. 1-9, in a fourth embodiment, based on the first embodiment, the exhaust assembly second includes a second positioning plate 39, the second positioning plate 39 is fixedly mounted on the filter casing 1, a second air outlet tube 40 is fixedly mounted on the second positioning plate 39, a second push rod 41 is movably mounted on the second air outlet tube 40, once the second push rod 41 is far away from the second air outlet tube 40 and is fixedly mounted on the push plate 26, an air outlet of the second air outlet tube 40 is fixedly connected with a second exhaust tube 42, one end of the second exhaust tube 42 far away from the second air outlet tube 40 is fixedly connected with a second shunt tube 43, one end of the second air outlet tube 44 far away from the second shunt tube 43 extends into the filter casing 1, and an air outlet of the second air outlet tube 44 is located between the two filter discs 6.
In this embodiment, when the pushing plate 26 on the sliding block 24 moves to the right, the pushing plate 26 drives the piston on the second push rod 41 to move inside the second air outlet tube 40, and the air generated by the second air outlet tube 40 enters the second flow dividing tube 43 through the second air outlet tube 42, so that the air is conveniently blown into the filter tank 3 through the second air outlet tube 44 on the second flow dividing tube 43, and the blown air is located between the two filter discs 6, so that the filtering efficiency of the filter discs 6 is improved, and meanwhile, the filtering resistance is reduced, the accumulation of dregs is prevented, and the fluidity of the liquid is improved.
Referring to fig. 1-9, in a fifth embodiment, on the basis of the first embodiment, the blowing-down assembly includes a mounting plate 45, the mounting plate 45 is fixedly mounted on the supporting plate 37, a gas collecting tube 46 is disposed on the mounting plate 45, a plurality of gas blowing tubes 47 are fixedly mounted on the gas collecting tube 46, one end of the gas collecting tube 46 is fixedly connected to the first shunt tube 32, the position of the gas blowing tube 47 is located above the collecting tank 4, the gas blowing tube 47 and the lateral end surface of the filter disc 6 are in the same vertical direction, the gas blown by the gas blowing tube 47 is blown vertically downwards, impurities on the filter disc 6 cannot enter the filter disc 6 under the influence of the gas flow, and the gas flow blown by the gas blowing tube 47 is limited because the impurities in the collecting tank 4 have the function of moisture and cannot splash due to the flow of the gas flow.
In this embodiment, be convenient for introduce the gas blow pipe 47 with the partial air current in the first shunt tubes 32 through the gas collecting tube 46, be convenient for blow the air current to the impurity on the filter disc 6 through the gas outlet of gas blow pipe 47, the impurity of blowing off can directly fall the inside of collecting vat 4, clear up the impurity on the filter disc 6 through the air current in advance, improves the effect that scraper blade 2 scraped off the impurity to the filter disc 6 effectively.
The working principle of the invention is as follows: when the liquid filter is used, liquid is introduced into the filter shell 1 through the feed pipe, then the output shaft 14 is driven by the motor 13, the rotary drum 5 is driven to rotate by the output shaft 14 so as to drive the filter disc 6 to rotate, and impurities in the liquid are filtered by the filter disc 6;
When the motor 13 drives the rotary drum 5 to rotate through the output shaft 14, the output shaft 14 synchronously drives the first belt pulley 15 to rotate, the first belt pulley 15 drives the second belt pulley 18 to rotate through a transmission belt when rotating, the second belt pulley 18 drives the driving shaft 17 to rotate when rotating, the driving shaft 17 drives the worm 19 to rotate, the stirring shaft 20 is driven to rotate by meshing of the worm 19 and the worm wheel 21, liquid between the two filter discs 6 is stirred through the stirring blades 22 on the stirring shaft 20, solid particles in the liquid can be more uniformly dispersed in the liquid, the solid-liquid separation effect is improved, so that the solid particles can be ensured to be better contacted with the filter medium, and the filtering efficiency of the filter discs 6 is improved;
When the driving shaft 17 rotates, the reciprocating screw thread 23 is synchronously driven to rotate, the sliding block 24 on the reciprocating screw thread 23 is in a state of horizontal reciprocating movement under the action of the crescent pin 25 and the limiting block 27, when the sliding block 24 moves leftwards, the pushing plate 26 on the sliding block 24 pushes the piston on the first push rod 30 to move in the first air outlet tube 29, air generated by the air outlet tube enters the first air outlet tube 31, the air in the first air outlet tube 31 enters the first shunt tube 32, part of the air in the first shunt tube 32 blows the air into the filter disc 6 through the mounting through groove 7 by the ventilation opening 35 on the arc tube 34, impurities in the filter disc 6 better enter the drum 5 by the blowing of air flow, and the effect of cleaning the impurities in the filter disc 6 is improved;
When the impurities in the filter disc 6 are excessive and after the liquid in the filter shell 1 is discharged, no liquid exists in the filter shell 1, the impurities in the filter disc 6 are conveniently sucked into the drum 5 by the action of the communicating pipe 10 through the suction force of the suction fan 9 by starting the suction fan 9, the impurities in the drum 5 can be intercepted at the position of a discharge hole through the filter screen 11, and the air permeability of the filter disc 6 can be recovered by cleaning the impurities in the filter disc 6, so that the filtering efficiency of the filter disc 6 is effectively improved;
When the pushing plate 26 on the sliding block 24 moves to the right, the pushing plate 26 drives the piston on the second push rod 41 to move in the second air outlet tube 40, the air generated by the second air outlet tube 40 enters the second shunt tube 43 through the second exhaust tube 42, the air in the second shunt tube 43 blows the air into the filter tank 3 through a plurality of second air outlet tubes 44 on the second shunt tube 43, and the blown air is positioned between the two filter discs 6, so that the filtering efficiency of the filter discs 6 is improved, the filtering resistance is reduced, the accumulation of dregs is prevented, the fluidity of liquid is improved, and the pushing plate 26 moves back and forth along the reciprocating threads 23 in the process, so that the second air outlet tube 40 is continuously air outlet;
When the gas in the first gas outlet tube 29 flows in the first shunt tube 32, part of the gas flow in the first shunt tube 32 is conveniently introduced into the gas blowing tube 47 through the gas collecting tube 46, the gas flow is conveniently blown to impurities on the filter disc 6 through the gas outlet of the gas blowing tube 47, the blown impurities can directly fall into the collecting tank 4, and the impurities on the filter disc 6 are cleaned in advance through the gas flow, so that the effect of scraping the impurities by the scraper 2 on the filter disc 6 is effectively improved;
When the inside impurity of filter disc 6 is too much, when there is not liquid in filtering shell 1 at this moment, through the suction of start-up extraction air exhauster 9 in the subassembly, through the suction of air exhauster 9, utilize the effect of communicating pipe 10 to be convenient for inhale the inside of rotary drum 5 with the impurity that is in filter disc 6 to the inside impurity of rotary drum 5 can be in the position of bin outlet through the interception of filter screen 11, through clear up the impurity of filter disc 6 inside, can resume filter disc 6 gas permeability, improve the filtration efficiency of filter disc 6 effectively.
In this technical scheme, the inner structure of first venthole 29 and second venthole 40 is the same with the inner structure of inflator to all be provided with the intake pipe on first venthole 29 and the second venthole 40, all be provided with the check valve in intake pipe and the first outlet duct 33, the second outlet duct 44, avoid the phenomenon that the air current in the gas pipeline appears flowing backward, be provided with the check valve on the gas collecting tube 46, be provided with the valve of definite value on the gas-blowing pipe 47 one, utilize the valve of definite value to be convenient for the gas-blowing pipe 47 can intermittently blow gas to filter disc 6, because valve of definite value, inflator and check valve are the technique that is well known in the art, do not make specific details here.
In this technical scheme, the pushing plate 26 moves reciprocally along the sliding block 24 on the reciprocal screw thread 23, the first air outlet tube 29 and the second air outlet tube 40 are intermittent when exhausting air, and the filter screen 11 on the filter disc 6 is exactly in the same vertical direction with the vent 35 when exhausting air through the vent 35 by the first air outlet tube 29.
The standard parts used in the invention can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, the control modes are automatically controlled by the control unit, the control circuit of the control unit can be realized by simple programming of a person skilled in the art, and the control modes and circuit connection are not explained in detail in the invention.
The preferred embodiments of this invention disclosed above are intended to assist in illustrating the invention, and are not intended to be exhaustive or to limit the invention to the precise embodiments described, which are chosen and described in order to best explain the principles of the invention and its practical application to thereby enable those skilled in the art to best understand and utilize the invention.

Claims (2)

1.一种高效滤盘结构的盘式过滤机,包括过滤壳(1),其特征在于:所述过滤壳(1)的内部固定安装有刮板(2),所述过滤壳(1)的内部通过刮板(2)分为过滤槽(3)和收集槽(4),所述过滤槽(3)的内部转动安装有转筒(5),所述转筒(5)上固定安装有多个过滤盘(6),所述转筒(5)上设置有抽取组件,通过抽取组件对过滤盘(6)内部的杂质进行清理;1. A disc filter with a high-efficiency filter disc structure, comprising a filter housing (1), characterized in that: a scraper (2) is fixedly installed inside the filter housing (1), the interior of the filter housing (1) is divided into a filter tank (3) and a collection tank (4) by the scraper (2), a rotating drum (5) is rotatably installed inside the filter tank (3), a plurality of filter discs (6) are fixedly installed on the rotating drum (5), and an extraction component is provided on the rotating drum (5), and impurities inside the filter disc (6) are cleaned by the extraction component; 所述过滤壳(1)的侧端面设置有驱动组件,所述驱动组件上设置有搅拌组件,通过所述搅拌组件对两个过滤盘(6)之间的液体进行搅拌;A driving assembly is provided on the side end surface of the filter housing (1), and a stirring assembly is provided on the driving assembly, and the liquid between the two filter discs (6) is stirred by the stirring assembly; 所述过滤盘(6)的外侧面设置有多个安装通槽(7),所述安装通槽(7)的内部设置有网格板(8);The outer side surface of the filter plate (6) is provided with a plurality of mounting grooves (7), and the interior of the mounting grooves (7) is provided with a mesh plate (8); 所述驱动组件上还设置有往复组件,所述往复组件上设置有排气组件一和排气组件二,所述排气组件一上设置有吹落组件,所述排气组件二上设置有出气组件;The driving assembly is also provided with a reciprocating assembly, the reciprocating assembly is provided with an exhaust assembly 1 and an exhaust assembly 2, the exhaust assembly 1 is provided with a blow-off assembly, and the exhaust assembly 2 is provided with an air outlet assembly; 所述驱动组件包括支架板(12),所述支架板(12)上固定安装有电机(13),所述电机(13)的输出端固定安装有输出轴(14),所述输出轴(14)远离电机(13)的一端延伸至过滤槽(3)的内部,且与转筒(5)固定安装;The driving assembly comprises a support plate (12), a motor (13) is fixedly mounted on the support plate (12), an output shaft (14) is fixedly mounted on the output end of the motor (13), an end of the output shaft (14) away from the motor (13) extends to the interior of the filter tank (3), and is fixedly mounted on the rotating drum (5); 所述搅拌组件包括第一皮带轮(15)和U型板(16),所述第一皮带轮(15)固定安装在输出轴(14)上,所述U型板(16)固定安装在过滤壳(1)的内部,所述U型板(16)上转动安装有驱动轴(17),所述驱动轴(17)上固定安装有第二皮带轮(18),所述第一皮带轮(15)通过输出轴(14)带动第二皮带轮(18)传动;The stirring assembly comprises a first belt pulley (15) and a U-shaped plate (16); the first belt pulley (15) is fixedly mounted on the output shaft (14); the U-shaped plate (16) is fixedly mounted inside the filter housing (1); a driving shaft (17) is rotatably mounted on the U-shaped plate (16); a second belt pulley (18) is fixedly mounted on the driving shaft (17); the first belt pulley (15) drives the second belt pulley (18) to transmit through the output shaft (14); 所述驱动轴(17)上固定安装有多个蜗杆(19),所述U型板(16)的内部转动安装有搅拌轴(20),所述搅拌轴(20)上固定安装有蜗轮(21)和搅拌叶片(22),所述蜗轮(21)的位置处于过滤壳(1)的外侧,所述搅拌叶片(22)处于过滤槽(3)的内部,且处于两个过滤盘(6)之间,所述蜗杆(19)与蜗轮(21)啮合;A plurality of worms (19) are fixedly mounted on the driving shaft (17); a stirring shaft (20) is rotatably mounted inside the U-shaped plate (16); a worm wheel (21) and a stirring blade (22) are fixedly mounted on the stirring shaft (20); the worm wheel (21) is located outside the filter housing (1); the stirring blade (22) is located inside the filter tank (3) and between the two filter plates (6); the worm (19) is meshed with the worm wheel (21); 所述往复组件包括往复螺纹(23),所述往复螺纹(23)上活动安装有滑块(24),所述滑块(24)的下端面活动安装有月牙销(25),所述滑块(24)的上端面固定安装有推动板(26),所述滑块(24)的前表面固定安装有限位块(27),所述U型板(16)的内侧面开设有与限位块(27)配合使用的限位槽;The reciprocating assembly comprises a reciprocating thread (23), a slider (24) is movably mounted on the reciprocating thread (23), a crescent pin (25) is movably mounted on the lower end surface of the slider (24), a push plate (26) is fixedly mounted on the upper end surface of the slider (24), a limit block (27) is fixedly mounted on the front surface of the slider (24), and a limit groove for use with the limit block (27) is provided on the inner side surface of the U-shaped plate (16); 所述排气组件一包括第一定位板(28),所述第一定位板(28)固定安装在过滤壳(1)上,所述第一定位板(28)上固定安装有第一出气筒(29),所述第一出气筒(29)上活动安装有第一推杆(30),所述第一推杆(30)远离第一出气筒(29)的一端固定安装在推动板(26)上,所述第一出气筒(29)的出气口固定连通有第一排气管(31),所述第一排气管(31)远离第一出气筒(29)的一端固定连通有第一分流管(32),所述第一分流管(32)上固定连通有第一出气管(33),所述第一出气管(33)远离第一分流管(32)的一端固定连通有弧形管(34),所述弧形管(34)上开设有与安装通槽(7)配合使用的通风口(35);The exhaust assembly 1 comprises a first positioning plate (28), the first positioning plate (28) being fixedly mounted on the filter housing (1), a first air outlet (29) being fixedly mounted on the first positioning plate (28), a first push rod (30) being movably mounted on the first air outlet (29), one end of the first push rod (30) away from the first air outlet (29) being fixedly mounted on the push plate (26), an air outlet of the first air outlet (29) being fixedly connected to a first exhaust pipe (31), one end of the first exhaust pipe (31) away from the first air outlet (29) being fixedly connected to a first shunt pipe (32), the first shunt pipe (32) being fixedly connected to a first air outlet pipe (33), one end of the first air outlet pipe (33) away from the first shunt pipe (32) being fixedly connected to an arc-shaped pipe (34), the arc-shaped pipe (34) being provided with a vent (35) for use in conjunction with the mounting slot (7); 所述过滤壳(1)上固定安装有对称布置的安装框架(36),两个所述安装框架(36)之间固定安装有支撑板(37),所述支撑板(37)的下端面固定安装有定位杆(38),所述弧形管(34)通过定位杆(38)固定安装在支撑板(37)上;The filter housing (1) is fixedly mounted with symmetrically arranged mounting frames (36), a support plate (37) is fixedly mounted between the two mounting frames (36), a positioning rod (38) is fixedly mounted on the lower end surface of the support plate (37), and the arc-shaped tube (34) is fixedly mounted on the support plate (37) via the positioning rod (38); 所述排气组件二包括第二定位板(39),所述第二定位板(39)固定安装在过滤壳(1)上,所述第二定位板(39)上固定安装有第二出气筒(40),所述第二出气筒(40)上活动安装有第二推杆(41),所述第二推杆(41)远离第二出气筒(40)的一旦固定安装有推动板(26)上,所述第二出气筒(40)的出气口固定连通有第二排气管(42),所述第二排气管(42)远离第二出气筒(40)的一端固定连通有第二分流管(43),所述第二分流管(43)上固定连通有第二出气管(44),所述第二出气管(44)远离第二分流管(43)的一端延伸至过滤壳(1)的内部,且第二出气管(44)的出气口处于两个过滤盘(6)之间;The second exhaust component comprises a second positioning plate (39), the second positioning plate (39) being fixedly mounted on the filter housing (1), a second air outlet tube (40) being fixedly mounted on the second positioning plate (39), a second push rod (41) being movably mounted on the second air outlet tube (40), the second push rod (41) being fixedly mounted on a push plate (26) away from the second air outlet tube (40), an air outlet of the second air outlet tube (40) being fixedly connected to a second exhaust pipe (42), an end of the second exhaust pipe (42) away from the second air outlet tube (40) being fixedly connected to a second shunt pipe (43), a second air outlet tube (44) being fixedly connected to the second shunt pipe (43), an end of the second air outlet tube (44) away from the second shunt pipe (43) extending to the interior of the filter housing (1), and an air outlet of the second air outlet tube (44) being located between the two filter plates (6); 所述吹落组件包括安装板(45),所述安装板(45)固定安装在支撑板(37)上,所述安装板(45)上设置有集气管(46),所述集气管(46)上固定安装有多个吹气管(47),所述集气管(46)的一端固定连通在第一分流管(32)上,所述吹气管(47)的位置处于收集槽(4)的上方,且吹气管(47)与过滤盘(6)的侧端面处于同一竖直方向。The blow-off assembly comprises a mounting plate (45), wherein the mounting plate (45) is fixedly mounted on a support plate (37), wherein an air collecting pipe (46) is arranged on the mounting plate (45), wherein a plurality of air blowing pipes (47) are fixedly mounted on the air collecting pipe (46), wherein one end of the air collecting pipe (46) is fixedly connected to a first branch pipe (32), wherein the air blowing pipe (47) is located above the collecting tank (4), and the air blowing pipe (47) and the side end surface of the filter plate (6) are located in the same vertical direction. 2.根据权利要求1所述的一种高效滤盘结构的盘式过滤机,其特征在于:所述抽取组件包括抽风机(9)和多个连通管(10),所述抽风机(9)固定安装在转筒(5)的出口位置,所述转筒(5)的出口位置固定安装有过滤网(11),所述过滤网(11)的位置处于抽风机(9)的输入端,多个所述连通管(10)固定连通在转筒(5)的内部,所述转筒(5)通过连通管(10)与过滤盘(6)的内部连通。2. A disc filter with a high-efficiency filter disc structure according to claim 1, characterized in that: the extraction component comprises an exhaust fan (9) and a plurality of connecting pipes (10), the exhaust fan (9) is fixedly installed at the outlet position of the drum (5), a filter screen (11) is fixedly installed at the outlet position of the drum (5), the filter screen (11) is located at the input end of the exhaust fan (9), the plurality of connecting pipes (10) are fixedly connected to the inside of the drum (5), and the drum (5) is connected to the inside of the filter disc (6) through the connecting pipes (10).
CN202411080313.2A 2024-08-08 2024-08-08 Disc filter with efficient filter disc structure Active CN118594093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411080313.2A CN118594093B (en) 2024-08-08 2024-08-08 Disc filter with efficient filter disc structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411080313.2A CN118594093B (en) 2024-08-08 2024-08-08 Disc filter with efficient filter disc structure

Publications (2)

Publication Number Publication Date
CN118594093A CN118594093A (en) 2024-09-06
CN118594093B true CN118594093B (en) 2024-11-08

Family

ID=92554232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411080313.2A Active CN118594093B (en) 2024-08-08 2024-08-08 Disc filter with efficient filter disc structure

Country Status (1)

Country Link
CN (1) CN118594093B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116943321A (en) * 2023-09-20 2023-10-27 连云港黄浦矿山机械制造有限公司 Disc type vacuum filter
CN118026463A (en) * 2024-03-22 2024-05-14 四川博桥建筑工程有限公司 A wastewater treatment process with high efficiency of nitrogen and phosphorus removal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111687124B (en) * 2020-06-20 2021-08-03 信丰县包钢新利稀土有限责任公司 Pretreatment device for waste solids of neodymium iron boron waste parts and use method
CN219580034U (en) * 2023-03-27 2023-08-25 唐山埔铭矿业有限公司 Disc filter
CN118324217B (en) * 2024-06-17 2024-09-10 温州德安水处理有限公司 Flexible integrated flat ceramic membrane water purifying equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116943321A (en) * 2023-09-20 2023-10-27 连云港黄浦矿山机械制造有限公司 Disc type vacuum filter
CN118026463A (en) * 2024-03-22 2024-05-14 四川博桥建筑工程有限公司 A wastewater treatment process with high efficiency of nitrogen and phosphorus removal

Also Published As

Publication number Publication date
CN118594093A (en) 2024-09-06

Similar Documents

Publication Publication Date Title
CN115591332B (en) Dust removal component, dust collector and dust removal method for ore processing workshop
CN220309999U (en) Single dust collector with high dust collection air quantity
CN118594093B (en) Disc filter with efficient filter disc structure
CN112524028A (en) Impurity separation treatment device for sliding valve vacuum pump
CN215997030U (en) A dust removal mechanism of a pulverizer for crucible production
CN221400864U (en) Circulating type exhaust guide mechanism for air compressor
CN221867778U (en) Take self-cleaning's dry-type rose box
CN217952482U (en) Combined air conditioner convenient for replacing internal filter element
CN118577048A (en) A self-cleaning filter valve for sewage treatment
CN218237677U (en) Central air conditioning negative pressure dust extraction
CN217698453U (en) Elevator air conditioner capable of automatically cleaning filter screen
CN114870519B (en) Energy-saving environment-friendly gas emission purifying device
CN216191848U (en) Pre-dedusting mechanism of sludge drying equipment
CN215387950U (en) Filter equipment is used in cleaner production
CN215388245U (en) Bag-type dust collector
CN213687075U (en) A central air-conditioning circulating system water treatment device
CN220142902U (en) Efficient filtering equipment of carding machine
CN223474687U (en) Side suction dust removing device of iron ore sintering system
CN215276336U (en) Air filter screen for locomotive air compressor
CN220572966U (en) Side suction dust removing device for iron ore sintering
CN218686727U (en) Industrial sewage efficient treatment environment-friendly device
CN223439277U (en) A high-efficiency negative pressure consumable-free screen tube precision filtration device
CN216459204U (en) Horizontal sand mill of coating
CN223221150U (en) Cloth bag type dust remover for mineral powder processing
CN221423582U (en) Air inlet filter device of fan

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A disc filter with an efficient disc structure

Granted publication date: 20241108

Pledgee: Jiangsu Changshu Rural Commercial Bank Co.,Ltd. Donghai Sub Branch

Pledgor: LIANYUNGANG BOYUN MACHINERY Co.,Ltd.

Registration number: Y2025980033970

PE01 Entry into force of the registration of the contract for pledge of patent right