CN113599898A - Fully-submerged rotary drum filter - Google Patents
Fully-submerged rotary drum filter Download PDFInfo
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- CN113599898A CN113599898A CN202110918263.0A CN202110918263A CN113599898A CN 113599898 A CN113599898 A CN 113599898A CN 202110918263 A CN202110918263 A CN 202110918263A CN 113599898 A CN113599898 A CN 113599898A
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- baffle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B1/042—Details thereof, e.g. valves or pumps
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtering Materials (AREA)
Abstract
The invention innovatively provides a fully-submerged rotary drum filter, which comprises a rotary drum, fiber cloth and a sealed water outlet, wherein the rotary drum comprises a first baffle, a second baffle, a rotary shaft and a drainage piece, the rotary shaft comprises a rotating part, a connecting part and a drainage part, the first baffle is arranged between the rotating part and the connecting part, the second baffle is arranged between the connecting part and the drainage part, the first baffle is parallel to the second baffle, the fiber cloth is arranged between the first baffle and the second baffle, the first baffle, the second baffle and the fiber cloth are combined to form a filter cavity, the drainage piece is sleeved on the drainage part, and the drainage piece is rotatably connected to the second baffle and communicated with the filter cavity; the filter cylinder is completely immersed in water, the fiber cloth is wrapped on the outer side of the filter cylinder, the first water pumping part is connected to the water discharging part, the pressure difference inside and outside the filter cavity is increased, and the filtering efficiency is improved under the condition that the filtering precision is not changed.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a fully-submerged rotary drum filter.
Background
With the development of economy in China, the contradiction between water resource supply and demand is increasingly sharp; the secondary effluent of the sewage plant is subjected to advanced treatment, so that the effluent can be used for aquaculture water, landscape water, ship river treatment, water treatment and the like, water circulation is realized, and the utilization rate of water is improved; the fiber rotary disc filter is important equipment in sewage treatment engineering, is commonly used for advanced treatment of sewage, is used in the fields of advanced treatment and recycling of sewage, is used for removing total suspended solids, and is pipe equipment upgraded and reformed in a sewage treatment plant; the deep filtration is mainly carried out through microporous fiber filter cloth; the drum filter used in the current market is a semi-submerged filter, and the water inlet filtration is mainly realized through the liquid level difference between the inner side and the outer side of the drum; the rotary drum filter has larger volume and occupies larger area, and the filtering efficiency is lower under the condition of ensuring the filtering precision in the filtering process by adopting the liquid level difference.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a fully submerged rotary drum filter, which overcomes the above-mentioned shortcomings of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a totally immersible rotary drum filter, includes the pivot, strains a section of thick bamboo and drainage piece, the pivot sets up on straining a central line, strain a section of thick bamboo and include first baffle, second baffle and fibre cloth, the both ends of fibre cloth are fixed respectively at first baffle and second baffle lateral surface, first baffle and second baffle all vertical fixation are in the pivot, just first baffle is parallel with the second baffle, first baffle, second baffle and fibre cloth enclose into the filter chamber, the drainage piece cover is located in the pivot, the second baffle is sealed and rotate and connect in drainage piece, the filter chamber communicates with each other with drainage piece, be connected with first piece of drawing water on the drainage piece, first piece of drawing water communicates with each other with drainage piece, drainage piece one side is provided with the motor, pivot fixed connection is in the motor output.
As preferred, be provided with the skeleton between first baffle and the second baffle, the skeleton sets up in filtering the intracavity, the skeleton includes horizontal fossil fragments of a plurality of groups and vertical fossil fragments of a plurality of groups, a plurality of groups vertical fossil fragments use the pivot central line to set up around the pivot as centre of a circle annular array, and a plurality of groups the both ends of vertical fossil fragments are fixed connection respectively on first baffle and second baffle, a plurality of groups horizontal fossil fragments all intersect and are fixed with vertical fossil fragments cross.
Preferably, the distance between two adjacent transverse keels is less than 2 cm.
As preferred, the drain part is including fixed pipe and drain pipe, the drain pipe sets up perpendicularly on fixed pipe to communicate with each other with fixed pipe and drain pipe, be provided with the connecting pipe on the second baffle, the one end of connecting pipe sets up perpendicularly on the second baffle, just the connecting pipe communicates with each other with the filter chamber, the other end of connecting pipe rotates and connects on fixed pipe, be provided with first sealing washer between connecting pipe and the fixed pipe, fixed pipe upper end is provided with the mounting, be provided with rolling bearing in the mounting, pivot fixed connection is in rolling bearing, be provided with the second sealing washer between mounting and the pivot.
Preferably, the filter cartridge is provided with a cleaning mechanism, the cleaning mechanism comprises two groups of electromagnets, cleaning rings, guide rails and a power supply, the two groups of electromagnets are respectively arranged on the first baffle and the second baffle, the guide rails are arranged in parallel with the rotating shaft, the cleaning rings are sleeved on the fiber cloth, the inner walls of the cleaning rings are matched with the outer wall of the filter cartridge, the cleaning rings and the guide rails are both arranged outside the filter cavity, one side, close to the filter cavity, of the guide rails is provided with a sliding groove, the sliding groove is arranged along the length direction of the guide rails, the outer side wall of each cleaning ring is provided with a sliding block, the sliding block is connected in the sliding groove in a sliding manner, the outer side wall of each cleaning ring is provided with a magnet, the power supply is simultaneously electrically connected with the two groups of electromagnets, and the power supply controls the magnetic field direction of the electromagnets, so that the cleaning rings are close to or far away from the first baffle.
Preferably, the cleaning ring comprises a cleaning brush and a dust collection ring, a first dust collection cavity, a first dust collection groove and a plurality of first dust removal grooves are formed in the dust collection ring, the first dust collection cavity is annularly arranged on the dust collection ring, the first dust collection cavity and the dust collection ring are coaxially arranged, the first dust collection groove is annularly arranged on the inner side wall of the dust collection ring, the first dust removal grooves are annularly arranged on the outer side wall of the dust collection ring by taking the center line of the dust collection ring as a circle center, the first dust collection groove and the first dust removal grooves are communicated with the first dust collection cavity, a second water pumping piece is further arranged on the dust collection ring, a plurality of water suction pipe roots are arranged on the second water pumping piece, and the water suction pipes are correspondingly communicated with the first dust removal grooves.
Preferably, a dust collection box is arranged between the plurality of water suction pipes and the second water pumping piece, a separating sleeve, a dust collection cavity and a water collection cavity are arranged in the dust collection box, the dust collection cavity is formed by separating the separating sleeve, the dust collection cavity is arranged in the water collection cavity, the plurality of water suction pipes are arranged at the top of the dust collection box and are communicated with the dust collection cavity, filter cloth is arranged in the separating sleeve, the separating sleeve is provided with a plurality of through holes, and the dust collection cavity is communicated with the water collection cavity through the through holes.
Preferably, a cleaning piece is arranged in the dust collection cavity and comprises a rotating shaft, a turbine and a plurality of groups of scraping plates, the rotating shaft is vertically connected to the top of the dust collection cavity, the turbine is horizontally arranged in the dust collection cavity and is rotatably connected to the rotating shaft, the turbine is provided with a plurality of groups of blades, one ends of the scraping plates are pressed against the filter cloth, and the other ends of the scraping plates are fixedly connected to the turbine blades.
Preferably, a leakage-proof piece is arranged in the first dust absorption cavity and comprises an upper water blocking piece and a lower water blocking piece, the upper water blocking piece and the lower water blocking piece are respectively fixed on two sides of the first dust absorption groove, one ends of the upper water blocking piece and the lower water blocking piece are fixedly connected onto the first dust absorption groove, the other ends of the upper water blocking piece and the lower water blocking piece extend into the first dust absorption cavity, the distance between the upper water blocking piece and the lower water blocking piece is gradually reduced along the direction from the first dust absorption groove to the first dust absorption cavity, and the upper water blocking piece and the lower water blocking piece are both made of elastic materials.
Preferably, a dust suction part is arranged on one side of the filter cylinder, a contact surface is arranged on the dust suction part, the contact surface is an arc-shaped surface matched with the outer surface of the fiber cloth, the contact surface is in contact with the fiber cloth, a second dust suction cavity, a second dust suction groove and a second dust exhaust groove are arranged on the dust suction part, the second dust suction groove is arranged on the contact surface, the second dust suction groove and the second dust exhaust groove are communicated with the second dust suction cavity, a third water pumping part is arranged on one side of the dust suction part, and the third water pumping part is communicated with the second dust suction cavity through the second dust exhaust groove.
The invention has the beneficial effects that: the filter cylinder is completely immersed in water, the fiber cloth is wrapped on the outer side of the filter cylinder, the contact area between the filter cylinder and sewage is increased, meanwhile, the first water pumping part is arranged on the water discharging part, the pressure difference inside and outside the filter cavity is increased, and under the condition of small volume and unchanged filtering precision, the filtering efficiency is increased by 80% -130% relative to that of a drum filter, so that the effects of energy conservation and environmental protection are achieved; the framework is arranged on the filter cylinder, the distance between every two adjacent transverse keels is smaller than 2cm, and the framework is used for supporting and fixing the fiber cloth, so that the fiber cloth is prevented from being excessively sunken in the filtering process, the fiber cloth is prevented from deforming, and the backwashing effect is influenced, so that the filtering effect is influenced; a cleaning mechanism is arranged outside the filter cylinder, and the fiber cloth is cleaned by the cleaning mechanism, so that the problem that the filtering effect of the fiber cloth is influenced because particles are accumulated on the surface of the fiber cloth is avoided; be provided with the dust absorption ring on clean ring, utilize the dust absorption ring, adsorb the particulate matter on fibre cloth surface, improve the filter effect of fibre cloth, the fibre cloth of degree is combed simultaneously, ensures that in filtering process, the fibre on the fibre cloth all sets up downwards.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of the cleaning mechanism of the present invention;
FIG. 4 is a cross-sectional view of the cleaning ring of the present invention;
FIG. 5 is a structural view of a dust box of the present invention;
fig. 6 is a block diagram of another embodiment of the present invention.
Reference numerals: 1. a rotating shaft; 11. a rotating part; 12. a connecting portion; 13. a water discharge section; 2. a filter cartridge; 21. a first baffle plate; 22. a second baffle; 221. a connecting pipe; 23. a drainage member; 231. a drain pipe; 232. a fixed tube; 241. a transverse keel; 242. a longitudinal keel; 3. a cleaning mechanism; 31. cleaning the ring; 311. a slider; 32. a guide rail; 321. a chute; 33. a cleaning brush; 34. a dust collecting ring; 341. a first dust suction groove; 342. a first dust suction chamber; 343. a first dust exhaust groove; 344. a deodorizing member; 35. a dust collection box; 351. a dust collection chamber; 352. a water collection cavity; 353. a separation sleeve; 354. a cleaning member; 355. a rotating shaft; 356. a turbine; 357. a squeegee; 4. a dust collection member; 41. a second dust suction chamber; 42. a second dust suction groove; 43. and a second dust exhaust groove.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-5, a fully submerged drum filter comprises a rotating shaft 1, a filter cartridge 2 and fiber cloth, wherein the fiber cloth is fixed outside the filter cartridge 2, the rotating shaft 1 is arranged on a central line of the filter cartridge 2, the filter cartridge 2 is driven to rotate by the rotating shaft 1, the fiber cloth is used for filtering sewage, the sewage outside the filter cartridge 2 enters the filter cartridge 2 after being filtered by the fiber cloth, so that the sewage is treated, and the fibers on the fiber cloth face downwards, so that the problem that the filtering effect of the fiber cloth is influenced due to the uneven distribution of the fibers on the fiber cloth is avoided; the filter cartridge 2 is completely submerged in water, and the volume of the filter cartridge is reduced while the contact area of the fiber cloth with water is ensured.
As shown in fig. 1 and 2, the rotating shaft 1 comprises a rotating part 11, a connecting part 12 and a drainage part 13, the rotating shaft 1 is vertically arranged in the filtering tank, a flange is arranged at the bottom of the filtering tank, the flange is fixedly connected to the bottom of the filtering tank through a fastener, a bearing is arranged on the flange, the rotating part 11 on the rotating shaft 1 is fixedly connected to the bearing, and the rotating shaft 1 is rotatably connected to the flange through the bearing; the filter cartridge 2 comprises a first baffle 21 and a second baffle 22, the first baffle 21 is arranged between the rotating part 11 and the connecting part 12, the second baffle 22 is arranged between the connecting part 12 and the drainage part 13, the first baffle 21 and the second baffle 22 are parallel to the rotating shaft 1 and fixedly connected to the rotating shaft 1, the first baffle 21 is parallel to the second baffle 22, the first baffle 21 and the second baffle 22 are arranged in parallel to realize the fixation of the fiber cloth, and two ends of the fiber cloth are respectively fixed on the outer side surfaces of the first baffle 21 and the second baffle 22; the connecting part 12 is arranged in the filter cylinder 2; the mounting plate is arranged on the filtering tank, the connecting part 12 penetrates through the mounting plate and extends to the upper part of the mounting plate, the water discharging part 13 is rotatably connected to the mounting plate, the water discharging part 13 is fixed by the mounting plate, and the rotating shaft 1 is prevented from shaking left and right in the using process; a transmission mechanism is arranged on the water discharging part 13 arranged above the mounting plate, a motor is arranged on the mounting plate, the transmission mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to the water discharging part 13, the second bevel gear is fixedly connected to the output end of the motor, the first bevel gear is meshed with the second bevel gear, and the rotation of the motor is transmitted to the rotating shaft 1 by utilizing the first bevel gear and the second bevel gear; in the rotating process of the rotating shaft 1, the filter cartridge 2 is driven to coaxially rotate; the first baffle 21, the second baffle 22 and the fiber cloth enclose a filter cavity, and sewage filtered by the fiber cloth is discharged through the filter cavity; a framework is arranged between the first baffle plate 21 and the second baffle plate 22, the framework is arranged in the filtering cavity and is in contact with the fiber cloth, and the framework is utilized to support and fix the fiber cloth so as to avoid the deformation of the fiber cloth in the sewage treatment process; the framework comprises a plurality of groups of transverse keels 241 and a plurality of groups of longitudinal keels 242, the longitudinal keels 242 are arranged between the first baffle plate 21 and the second baffle plate 22 in an annular array by taking the central line of the filter cartridge 2 as the circle center, and the longitudinal keels 242 are fixedly connected to the first baffle plate 21 and the second baffle plate 22, so that the first baffle plate 21 and the second baffle plate 22 are connected; the plurality of transverse keels 241 are all circular, and any one transverse keel 241 is crossed and fixed with the longitudinal keel 242; the distance between two adjacent transverse keels 241 is less than 2 cm; under the condition that does not influence into water, control the interval between horizontal fossil fragments 241, be convenient for fixed and support fibre cloth, avoid simultaneously intaking the in-process, fibre cloth is too big at the hydraulic effect undercut, leads to fibre cloth to warp, influences the filter effect and the anti-cleaning effect of fibre cloth.
The filter cartridge 2 is provided with a drainage member 23, the drainage member 23 comprises a fixed pipe 232 and a drainage pipe 231, the drainage pipe 231 is vertically arranged on the fixed pipe 232, the drainage pipe 231 is communicated with the fixed pipe 232, and the rotating shaft 1 is inserted in the fixed pipe 232; the second baffle 22 is provided with a connecting pipe 221, the connecting pipe 221 is vertically arranged on the second baffle 22, and the connecting pipe 221 is communicated with the filter cavity; one end of the connection pipe 221 is fixedly connected to the second baffle 22, and the other end of the connection pipe 221 is rotatably connected to the inside of the fixed pipe 232; a baffle is arranged on the connecting pipe 221 arranged in the fixed pipe 232, a plurality of drain holes are also arranged on the baffle, the rotating shaft 1 is fixedly connected to the baffle, the connecting pipe 221 and the rotating shaft 1 are connected by the baffle, the connecting rotation is driven in the rotating process of the rotating shaft 1, and meanwhile, the drain holes are utilized to ensure that water in the filtering cavity can enter the drain pipe 231 through the connecting pipe 221; a first sealing ring is arranged between the fixed pipe 232 and the connecting pipe 221, the sealing ring is utilized to ensure the sealing connection between the fixed pipe 232 and the connecting pipe 221, and the sewage is prevented from entering the fixed pipe 232 through the connecting part of the connecting pipe 221 and the fixed pipe 232 in the use process; a first limit groove is formed in the inner wall of the fixed pipe 232, the first sealing ring is arranged in the first limit groove, and the first limit groove is utilized to prevent the first sealing ring from sliding between the fixed pipe 232 and the connecting pipe 221 to influence the sealing performance; the drain pipe 231 is connected with a first water pumping piece, water in the filtering cavity is pumped by the first water pumping piece, and pressure difference between the inside of the filtering cavity and the outside of the filtering cavity is formed, so that the sewage treatment speed is accelerated; a second limit groove is formed in the inner side wall of the upper end of the fixed pipe 232, a fixing piece is fixedly arranged in the second limit groove and fixedly connected to the upper end of the fixed pipe 232, a rotating bearing and a second sealing ring are arranged on the fixing piece, the rotating shaft 1 is inserted into the rotating bearing and the second sealing ring at the same time, the rotating bearing is used for ensuring that the rotating shaft 1 rotates relative to the fixed pipe 232, and meanwhile, the second sealing ring is used for ensuring that the rotating shaft 1 is fixedly connected with the rotating piece; the mounting fixed connection is on fixed pipe 232, avoids pivot 1 to rotate the in-process, drives the mounting and rotates.
As shown in fig. 1, 3 and 4, a cleaning mechanism 3 is arranged outside the filter cartridge 2, the cleaning mechanism 3 includes two sets of electromagnets, a cleaning ring 31, a guide rail 32 and a power supply, the two sets of electromagnets are respectively arranged on the first baffle 21 and the second baffle 22, one end of the guide rail 32 is vertically arranged on the flange, and the other end of the guide rail 32 is vertically connected to the mounting plate, so that the guide rail 32 is parallel to the rotating shaft 1; the cleaning ring 31 is sleeved on the guide rail 32, and the inner wall of the cleaning ring 31 is matched with the outer wall of the fiber cloth, so that the cleaning ring 31 is ensured to be in contact with the fiber cloth; a sliding groove 321 is arranged on the guide rail 32, the sliding groove 321 is arranged at the side close to the filter cavity, a sliding block 311 is arranged on the outer side wall of the cleaning ring 31, and the sliding block 311 is connected in the sliding groove 321 in a sliding manner; the cleaning ring 31 is provided with a magnet which is electrically connected with the electromagnet by utilizing a power supply, and the magnetism of the electromagnet is changed by arranging the anode and the cathode of the power supply; by changing the magnetism of the electromagnet, the cleaning ring 31 moves to the side of the first baffle plate 21 or the side of the second baffle plate 22; in the moving process of the cleaning ring 31, the moving path of the cleaning ring 31 is determined by the matching of the guide rail 32 and the sliding block 311, and in the moving process of the cleaning ring 31, the surface of the fiber cloth is reversely cleaned to remove particles adsorbed on the surface of the fiber cloth; meanwhile, the filter cartridge 2 rotates relative to the cleaning ring 31 in the water filtering process, and the orientation of the fiber cloth is changed in the cleaning process, so that the fiber cloth is convenient to back wash.
The cleaning ring 31 comprises a cleaning brush 33 and a dust suction ring 34, the cleaning brush 33 is arranged on the side of the second baffle 22, and the dust suction ring 34 is arranged on the side of the first baffle 21; the cleaning brush 33 is used for carding the surface of the fiber cloth, so that particles on the fiber cloth can be adsorbed conveniently; a first dust suction cavity 342, a first dust suction groove 341 and four first dust discharge grooves 343 are arranged on the dust suction ring 34, the first dust suction cavity 342 is annularly arranged on the dust suction ring 34, the first dust suction cavity 342 and the dust suction ring 34 are coaxially arranged, the first dust suction groove 341 is annularly arranged on the inner side wall of the dust suction ring 34, the four first dust discharge grooves 343 are annularly arrayed on the outer side wall of the dust suction ring 34 by taking the center line of the dust suction ring 34 as the circle center, and the first dust suction groove 341 and the first dust discharge grooves 343 are both communicated with the first dust suction cavity 342; the first dust suction groove 341 is used to contact with the surface of the fiber cloth, and the particulate matters adsorbed on the surface of the fiber cloth are sucked into the first dust suction cavity 342 through the first dust suction groove 341 and discharged through the first dust discharge groove 343; a second water pumping piece and a dust collection box 35 are arranged at the bottom of the filter tank, the second water pumping piece is arranged at the bottom of the dust collection box 35, four water suction pipes are arranged at the top of the dust collection box 35, and the four water suction pipes are respectively communicated with the first dust exhaust groove 343; a separating sleeve 353, a dust collecting cavity 351 and a water collecting cavity 352 are arranged in the dust collecting box 35 and are formed by separating the separating sleeve 353, the dust collecting cavity 351 is arranged in the water collecting cavity 352, and a water suction pipe is arranged at the top of the dust collecting box 35 and is communicated with the dust collecting cavity 351; the separating sleeve 353 is provided with a through hole, the dust collecting cavity 351 is communicated with the water collecting cavity 352 through the through hole, the separating sleeve 353 is also internally provided with filter cloth, and the filter cloth is used for filtering cleaning water in the backwashing process to prevent particles from entering water again.
A leakage-proof piece is arranged in the first dust absorption cavity 342 and comprises an upper water retaining piece and a lower water retaining piece, and the upper water retaining piece and the lower water retaining piece are both made of elastic materials; the upper water blocking member and the lower water blocking member are respectively fixed on two sides of the first dust absorption groove 341, one ends of the upper water blocking member and the lower water blocking member are fixedly connected to the first dust absorption groove 341, the other ends of the upper water blocking member and the lower water blocking member extend into the first dust absorption cavity 342, and the distance between the upper water blocking member and the lower water blocking member gradually decreases along the direction from the first dust absorption groove 341 to the first dust absorption cavity 342; in the backwashing process, water in the filter cavity enters the leakage-proof piece through the first dust collection groove 341, the upper water retaining piece and the lower water retaining piece are separated under the action of water pressure, the leakage-proof piece is opened, and the water in the filter cavity can enter the first dust collection cavity 342 through a gap between the upper water retaining piece and the lower water retaining piece; after accomplishing the backwashing, go up the manger plate and restore to the throne with manger plate down under elastic effect, be located last manger plate in first dust absorption chamber 342 and contact between the manger plate down, avoid straining a 2 filtering process, wash water in first dust absorption chamber 342 enters into and strains a section of thick bamboo 2, and the particulate matter in first dust absorption chamber 342 adsorbs once more on fibre cloth, causes secondary pollution to fibre cloth, influences the anti-cleaning performance of fibre cloth.
As shown in fig. 1 and 5, a cleaning member 354 is arranged in the dust collecting cavity 351, the cleaning member 354 comprises a rotating shaft 355, a turbine 356 and a plurality of groups of scrapers 357, the rotating shaft 355 is vertically connected to the top of the dust collecting cavity 351, the turbine 356 is horizontally arranged in the dust collecting cavity 351, the turbine 356 is rotatably connected to the rotating shaft 355, the turbine 356 comprises a plurality of groups of obliquely arranged blades, one end of each scraper 357 is pressed against the filter cloth, and the other end of each scraper 357 is fixedly connected to the blade; the water flow enters the dust collecting cavity 351 from top to bottom and impacts the blades of the turbine 356, the turbine 356 rotates under the action of the water flow, so that the scraper 357 is driven to rotate, and the water flow enters the water collecting cavity 352 after being filtered by the filter cloth and is discharged into the filter tank; scraper 357 and filter cloth expression contact, strike off the particulate matter on filter cloth surface, avoid piling up too much particulate matter on the filter cloth, influence the filter effect of filter cloth.
The working principle of filtration is as follows: in the using process, the drainage piece 23 is fixedly connected to the mounting plate, the filter cartridge 2 is driven to rotate by using the rotating shaft 1, and in the rotating process of the filter cartridge 2, the first water pumping piece connected to the drainage pipe 231 is started and pumps the gas and the liquid in the filter cavity, so that the pressure in the filter cavity is smaller than the pressure outside the filter cavity; under the action of pressure difference at two sides of the filter cavity, liquid outside the filter cavity enters the filter cavity after being filtered by the fiber cloth, the fiber cloth faces downwards, the direction is unchanged, and therefore it is ensured that in the filtering process, particles cannot enter the filter cavity through the fiber cloth due to the orientation change of the fiber cloth, and precise filtering is realized; meanwhile, the framework is used for supporting the fiber cloth, so that the fiber cloth is prevented from being deformed to influence the filtering effect and the backwashing effect due to the fact that the fiber cloth is excessively sunken in the using process; the water in the filter chamber is introduced into the drain pipe 231 through the connection pipe 221 and the fixing pipe 232 and discharged, thereby realizing sewage treatment.
The working principle of the cleaning ring 31 is as follows: in the process of cleaning the outer surface of the filter cartridge 2, the power supply is started, so that the electromagnets on the first baffle 21 and the second baffle 22 generate magnetic fields, and the directions of the magnetic fields on the two groups of electromagnets are opposite; the side of the magnet on the cleaning ring 31 close to the first baffle 21 is an S pole, the side close to the second baffle 22 is an N pole, and by controlling the power supply, the end of the electromagnet on the first baffle 21 close to the cleaning ring 31 is an S pole, and the end of the electromagnet on the second baffle 22 close to the cleaning ring 31 is also an S pole; during use, the electromagnet on the first baffle 21 and the magnet on the cleaning ring 31 repel each other, and at the same time, the electromagnet on the second baffle 22 and the magnet on the cleaning ring 31 attract each other, so that the cleaning ring 31 moves to the side of the second baffle 22 along the direction of the guide rail 32; in the upward movement process of the cleaning ring 31, the cleaning brush 33 is in contact with the fiber cloth box to comb and disorder fibers on the fiber cloth, then the dust absorption ring 34 is arranged on the fiber cloth and is extracted by the second water pumping piece, the fibers on the fiber cloth enter the first dust absorption groove 341, liquid in the filter cavity is filtered, and water in the filter cavity passes through the fiber cloth and drives particles on the fiber cloth to enter the first dust absorption cavity 342 and be discharged through the first dust discharge groove 343; in the process of pumping water by using the second pumping piece, the surface of the fiber cloth is cleaned, and simultaneously, the fibers are carded again, so that the fiber cloth is convenient to filter; the cleaning water enters the dust collection cavity 351 through the first dust discharge groove 343 and the water suction pipe, impacts the turbine 356 in the process of entering the dust collection cavity 351, and enters the water collection cavity 352 after filtering particles through the filter cloth and is discharged; in the rotation process of the turbine 356, the scraper 357 is driven to rotate, the scraper 357 contacts with the surface of the filter cloth, scrapes off particles on the surface of the filter cloth, and accumulates in the dust collection cavity 351 to collect the particles; in the upward movement process of the cleaning ring 31, the filter cartridge 2 rotates under the action of the rotating shaft 1, and the active filter cartridge 2 is in contact with the cleaning ring 31 to change the orientation of fibers, so that more sufficient backwashing on the fibers is realized; by changing the anode and the cathode of the power supply, one end of the electromagnet on the first baffle 21 close to the cleaning ring 31 is an N pole, one end of the electromagnet on the second baffle 22 close to the cleaning ring 31 is also an N pole, the electromagnet on the first baffle 21 and the magnet on the cleaning ring 31 attract each other, the electromagnet on the second baffle 22 and the magnet on the cleaning ring 31 repel each other, and the cleaning ring 31 moves to the side where the first baffle 21 is located along the direction of the guide rail 32; in the process that the cleaning ring 31 moves towards the side of the first baffle 21, the second water pumping piece is started, the rotating shaft 1 stops rotating, the fibers face the side of the first dust suction cavity 342, and meanwhile, in the process that the cleaning ring 31 moves downwards, fiber cloth is combed, after anti-cleaning is ensured, the fibers face downwards, and filtering in the subsequent process is facilitated; the movement of the cleaning ring 31 on the filter cartridge 2 is achieved by means of electromagnets, the direction of the magnetic field of which is changed on the first and second shutters 21, 22 by controlling the power supply.
As shown in fig. 6, the present invention provides another embodiment, the structure of the filter cartridge 2 is the same as the above embodiment, a dust-absorbing member 4 is disposed on one side of the filter cartridge 2, a contact surface is disposed on the dust-absorbing member 4, the contact surface is an arc surface matched with the outer surface of the fiber cloth, and the contact surface is in contact with the fiber cloth, so as to ensure that the fiber cloth is in contact with the contact surface during the rotation of the filter cartridge 2; the dust collector 4 is provided with a second dust suction cavity 41, a second dust suction groove 42 and a second dust exhaust groove 43, and the second dust suction groove 42 is communicated with the second dust exhaust groove 43 through the second dust suction cavity 41; the second dust exhaust groove 43 is arranged at the end part of the dust suction part 4, a third water pumping part is arranged on one side of the dust suction part 4, the third water pumping part is communicated with the second dust exhaust groove 43, and the third water pumping part is used for pumping water in the filter cavity to realize backwashing of the fiber cloth; the dust collector 4 is provided with a mounting surface, the mounting surface and the contact surface are oppositely arranged on two side surfaces of the dust collector 4, the contact surface is provided with an elastic part, the other end of the elastic part is arranged on the side wall of the filtering tank, and the elastic part is utilized to ensure that the dust collector 4 is always adsorbed on the surface of the filtering cylinder 2 in the rotating process of the filtering cylinder 2; meanwhile, the arc-shaped surface matched with the outer surface of the fiber cloth is arranged on the dust suction piece 4, the dust suction piece 4 is tightly attached to the fiber cloth, water is sucked out of the filtering cavity in the dust suction process, the fiber cloth is cleaned, and the phenomenon that sewage enters the second dust suction cavity 41 from the periphery of the dust suction piece 4 to affect the reverse cleaning effect of the fiber cloth is avoided.
The working principle of the dust collection part 4 is as follows: in the using process, the third water pumping piece is used for pumping the water in the second dust suction cavity 41, the pressure in the second dust suction cavity 41 is reduced, the water in the filtering cavity passes through the fiber cloth, the fiber cloth is subjected to back washing, and then the washing water passing through the fiber cloth enters the dust suction cavity through the second dust suction groove 42 and is discharged through the second dust discharge groove 43; in the process of water absorption of the dust absorption piece 4, the fiber on the fiber cloth enters the second dust absorption groove 42, and the dust adsorbed on the fiber enters the second dust absorption cavity 41, so that the fiber cloth is reversely cleaned; meanwhile, in the process of absorbing water by the dust absorbing part 4, the filter cylinder 2 rotates under the action of the motor, so that the periphery of the fiber cloth is cleaned.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A fully-submerged rotary drum filter comprises a rotating shaft (1), a filter cartridge (2) and a drainage piece (23), and is characterized in that the rotating shaft (1) is arranged on the central line of the filter cartridge (2), the filter cartridge (2) comprises a first baffle (21), a second baffle (22) and fiber cloth, two ends of the fiber cloth are respectively fixed on the outer side surfaces of the first baffle (21) and the second baffle (22), the first baffle (21) and the second baffle (22) are vertically fixed on the rotating shaft (1), the first baffle (21) is parallel to the second baffle (22), a filter cavity is enclosed by the first baffle (21), the second baffle (22) and the fiber cloth, the drainage piece (23) is sleeved on the rotating shaft (1), the second baffle (22) is hermetically and rotatably connected to the drainage piece (23), and the filter cavity is communicated with the drainage piece (23), be connected with first piece of drawing water on drainage spare (23), first piece of drawing water communicates with each other with drainage spare (23), drainage spare (23) one side is provided with the motor, pivot (1) fixed connection is in the motor output.
2. The fully-submerged rotary drum filter according to claim 1, wherein a framework is arranged between the first baffle (21) and the second baffle (22), the framework is arranged in the filter cavity, the framework comprises a plurality of groups of transverse keels (241) and a plurality of groups of longitudinal keels (242), the plurality of groups of longitudinal keels (242) are arranged around the rotating shaft (1) in an annular array mode by taking the central line of the rotating shaft (1) as a circle center, two ends of the plurality of groups of longitudinal keels (242) are fixedly connected to the first baffle (21) and the second baffle (22) respectively, and the plurality of groups of transverse keels (241) are crossed with and fixed to the longitudinal keels (242).
3. A fully submerged rotary drum filter according to claim 1, wherein the distance between two adjacent transverse keels (241) is less than 2 cm.
4. A fully submerged rotary drum filter according to claim 1, wherein the drain member (23) comprises a fixed pipe (232) and a drain pipe (231), the drain pipe (231) is vertically arranged on the fixed pipe (232), the fixed pipe (232) is communicated with a drain pipe (231), the second baffle plate (22) is provided with a connecting pipe (221), one end of the connecting pipe (221) is vertically arranged on the second baffle plate (22), the connecting pipe (221) is communicated with the filter cavity, the other end of the connecting pipe (221) is rotatably connected to the fixed pipe (232), a first sealing ring is arranged between the connecting pipe (221) and the fixed pipe (232), the upper end of the fixed pipe (232) is provided with a fixed part, a rotating bearing is arranged in the fixed part, the rotating shaft (1) is fixedly connected into the rotating bearing, and a second sealing ring is arranged between the fixing piece and the rotating shaft (1).
5. The fully-submerged rotary drum filter according to claim 1, wherein the filter cartridge (2) is provided with a cleaning mechanism (3), the cleaning mechanism (3) comprises two sets of electromagnets, a cleaning ring (31), a guide rail (32) and a power supply, the two sets of electromagnets are respectively arranged on a first baffle (21) and a second baffle (22), the guide rail (32) is arranged in parallel with the rotating shaft (1), the cleaning ring (31) is sleeved outside the fiber cloth, the inner wall of the cleaning ring (31) is matched with the outer wall of the fiber cloth, the cleaning ring (31) and the guide rail (32) are both arranged outside the filter cavity, one side of the guide rail (32) close to the filter cavity is provided with a sliding groove (321), the sliding groove (321) is arranged along the length direction of the guide rail (32), the outer side wall of the cleaning ring (31) is provided with a sliding block (311), the sliding block (311) is connected in the sliding groove (321) in a sliding mode, the outer side wall of the cleaning ring (31) is provided with magnets, the power supply is electrically connected with the two groups of electromagnets at the same time, and the power supply controls the magnetic field direction of the electromagnets so that the cleaning ring (31) is close to or far away from the first baffle (21).
6. The fully submerged rotary drum filter according to claim 5, wherein the cleaning ring (31) comprises a cleaning brush (33) and a dust suction ring (34), the dust suction ring (34) is provided with a first dust suction cavity (342), a first dust suction groove (341) and a plurality of first dust discharge grooves (343), the first dust suction cavity (342) is annularly arranged on the dust suction ring (34), the first dust suction cavity (342) and the dust suction ring (34) are coaxially arranged, the first dust suction groove (341) is annularly arranged on the inner side wall of the dust suction ring (34), the plurality of first dust discharge grooves (343) are annularly arranged on the outer side wall of the dust suction ring (34) in an annular array with the center line of the dust suction ring (34) as the center, the first dust suction groove (341) and the first dust discharge groove (343) are both communicated with the first dust suction cavity (342), and the dust suction ring (34) is further provided with a second water suction member, the second water pumping piece is provided with a plurality of water suction pipes which are correspondingly communicated with the first dust exhaust groove (343).
7. The fully-submerged rotary drum filter according to claim 6, wherein a dust collection box (35) is arranged between the plurality of water suction pipes and the second water pumping member, a partition sleeve (353) and a dust collection chamber (351) and a water collection chamber (352) which are formed by the partition sleeve (353) are arranged in the dust collection box (35), the dust collection chamber (351) is arranged in the water collection chamber (352), the plurality of water suction pipes are arranged at the top of the dust collection box (35) and communicated with the dust collection chamber (351), filter cloth is arranged in the partition sleeve (353), the partition sleeve (353) is provided with a plurality of through holes, and the dust collection chamber (351) is communicated with the water collection chamber (352) through the through holes.
8. The fully submerged rotary drum filter according to claim 7, wherein a cleaning member (354) is disposed in the dust collecting cavity (351), the cleaning member (354) comprises a rotating shaft (355), a turbine (356) and a plurality of sets of scrapers (357), the rotating shaft (355) is vertically connected to the top of the dust collecting cavity (351), the turbine (356) is horizontally disposed in the dust collecting cavity (351) and the turbine (356) is rotatably connected to the rotating shaft (355), the turbine (356) is provided with a plurality of sets of blades, one end of each set of the scrapers (357) is pressed against the filter cloth, and the other end of each set of the scrapers (357) is fixedly connected to the blades of the turbine (356).
9. The fully submerged rotary drum filter according to claim 6, wherein a leakage-proof member is arranged in the first dust suction chamber (342), the leakage-proof member comprises an upper water blocking member and a lower water blocking member, the upper water blocking member and the lower water blocking member are respectively fixed on two sides of the first dust suction groove (341), one ends of the upper water blocking member and the lower water blocking member are fixedly connected to the first dust suction groove (341), the other ends of the upper water blocking member and the lower water blocking member extend into the first dust suction chamber (342), the distance between the upper water blocking member and the lower water blocking member gradually decreases along the direction from the first dust suction groove (341) to the first dust suction chamber (342), and the upper water blocking member and the lower water blocking member are both made of elastic materials.
10. The fully submerged rotary drum filter according to claim 1, wherein a dust suction member (4) is arranged on one side of the filter cartridge (2), a contact surface is arranged on the dust suction member (4), the contact surface is an arc-shaped surface matched with the outer surface of the fiber cloth, the contact surface is in contact with the fiber cloth, a second dust suction cavity (41), a second dust suction groove (42) and a second dust discharge groove (43) are arranged on the dust suction member (4), the second dust suction groove (42) is arranged on the contact surface, the second dust suction groove (42) and the second dust discharge groove (43) are both communicated with the second dust suction cavity (41), a third water suction member is arranged on one side of the dust suction member (4), and the third water suction member is communicated with the second dust suction cavity (41) through the second dust discharge groove (43).
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| CN202110918263.0A CN113599898B (en) | 2021-08-11 | 2021-08-11 | Fully-submerged rotary drum filter |
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| CN202110918263.0A CN113599898B (en) | 2021-08-11 | 2021-08-11 | Fully-submerged rotary drum filter |
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| CN204973255U (en) * | 2015-07-29 | 2016-01-20 | 湖南新九方科技有限公司 | Fibre filter cloth filter |
| CN110663559A (en) * | 2019-09-26 | 2020-01-10 | 广州贤智科技有限公司 | A high-efficient type filtration equipment for dairy products processing equipment |
| CN111643953A (en) * | 2020-06-18 | 2020-09-11 | 南京浩睿达环保科技有限公司 | Convenient type sewage treatment device |
| CN212790044U (en) * | 2020-07-21 | 2021-03-26 | 温州市精工机械装备成套有限公司 | Automatic continuous vacuum rotary drum filtration system |
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2021
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| JP2001009225A (en) * | 1999-06-25 | 2001-01-16 | Mitsubishi Heavy Ind Ltd | Bag filter and retainer used in the same |
| CN204219890U (en) * | 2014-10-30 | 2015-03-25 | 湖州核宏机械有限公司 | A kind of rotary drum vacuum filter with cleaning structure |
| CN204973255U (en) * | 2015-07-29 | 2016-01-20 | 湖南新九方科技有限公司 | Fibre filter cloth filter |
| CN110663559A (en) * | 2019-09-26 | 2020-01-10 | 广州贤智科技有限公司 | A high-efficient type filtration equipment for dairy products processing equipment |
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