CN111888825A - Particle impurity removing device - Google Patents
Particle impurity removing device Download PDFInfo
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- CN111888825A CN111888825A CN202010841485.2A CN202010841485A CN111888825A CN 111888825 A CN111888825 A CN 111888825A CN 202010841485 A CN202010841485 A CN 202010841485A CN 111888825 A CN111888825 A CN 111888825A
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- filter column
- filter
- rotating shaft
- shell
- pipe
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- 239000012535 impurity Substances 0.000 title claims abstract description 45
- 239000002245 particle Substances 0.000 title claims abstract description 14
- 239000010865 sewage Substances 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 37
- 239000011148 porous material Substances 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000011001 backwashing Methods 0.000 abstract description 16
- 238000000746 purification Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 84
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Abstract
The invention belongs to the technical field of purification equipment. A particle impurity removing device comprises a shell, wherein an inner cylinder is arranged in the shell, a plurality of filter columns are uniformly distributed on the inner cylinder in the circumferential direction and are axially arranged, and each filter column comprises a framework and a trapezoidal steel wire rope wound on the framework; gaps among the trapezoidal steel wire ropes form wedge-shaped fluid channels, and the wedge-shaped fluid channels are gradually enlarged from inside to outside; the inside of the shell is provided with a backwashing device which comprises a rotating shaft, two ends of the rotating shaft are supported on the shell, the rotating shaft penetrates through the inner barrel, and the rotating shaft is provided with a plugging device and a sewage discharge communicating device; the sewage discharge communication device comprises a main pipe and a branch pipe arranged on the main pipe, the lower end of the main pipe is rotatably arranged on the shell, the lower end of the main pipe is communicated with a first sewage discharge pipeline arranged on the shell, and the first sewage discharge pipeline is used for discharging impurities in the filter column; the upper end of the main pipe is fixedly connected with the rotating shaft; the plugging device corresponds to the sewage discharge communication device. The invention aims to solve the technical problem that the existing filter cartridge is easy to accumulate impurities to cause pressure increase and cause equipment damage.
Description
Technical Field
The invention belongs to the technical field of purification equipment, and particularly relates to a particle impurity removing device.
Background
In operation, a typical particulate removal filter operates by passing sewage from an inlet through a coarse and fine screen and then to an outlet. During the filtration process, impurities in the water gradually accumulate on the surface of the fine filter screen. The impurity layer is formed, and a pressure difference is formed between the inner side and the outer side of the fine filter screen due to the accumulation of the impurities on the inner side of the fine filter screen. When the pressure difference reaches the preset value of the system, the automatic cleaning function is started, the water supply of the system is not interrupted, the back washing valve or the blow-down valve is opened, and the sewage is discharged by the blow-down valve.
The existing filter has the following problems: firstly, the filter screen is large in diameter and easy to deform, and the filter screen is easy to block;
secondly, the pollution discharge is mainly realized by the pressure difference of the filter, the cleaning and impurity filtering are mainly realized by the brush, and the brush is easy to age and fall off after running for a period of time. For a long time, the traditional particle removal filter has the defects of complex process, easy blockage, easy compression deformation of the filter, easy accumulation of impurities on a filter cylinder to form filter pressure increase to cause equipment damage, failure of a cleaning device after aging and falling off of a cleaning brush, increase of impact torque between the cleaning device driven by a transmission structure and a cylinder body caused by compression deformation of the filter cylinder, easy damage of a stirring structure, high design energy consumption and unstable treatment effect.
Disclosure of Invention
The invention aims to provide a particle impurity removing device, which aims to solve the technical problem that equipment is damaged due to pressure increase caused by easily accumulated impurities on an existing filter cylinder.
In order to solve the technical problems, the invention adopts the following technical scheme that the particle impurity removing device comprises a shell, wherein an inlet and an outlet are formed in the shell, an inner cylinder is arranged in the shell, the outlet on the inner cylinder is communicated, a plurality of filter columns are uniformly distributed on the inner cylinder in the circumferential direction, and the filter columns are axially arranged; gaps among the trapezoidal steel wire ropes form wedge-shaped fluid channels, and the wedge-shaped fluid channels are gradually enlarged from inside to outside; a reverse cleaning device is arranged in the shell and comprises a rotating shaft, two ends of the rotating shaft are supported on the shell, the rotating shaft penetrates through the inner barrel, a plugging device and a sewage discharge communicating device are arranged on the rotating shaft, the plugging device is arranged above the inner barrel, and the sewage discharge communicating device is arranged below the inner barrel;
the sewage discharge communication device comprises a main pipe and a branch pipe arranged on the main pipe, the lower end of the main pipe is rotatably arranged on the shell, the lower end of the main pipe is communicated with a first sewage discharge pipeline arranged on the shell, and the first sewage discharge pipeline is used for discharging impurities in the filter column; the upper end of the main pipe is fixedly connected with the rotating shaft;
the blocking device corresponds to the sewage discharge communication device;
the rotating shaft rotates to synchronously drive the plugging device and the pollution discharge communication device to rotate, the plugging device plugs the opening at the upper end of the corresponding filter column to enable the opening to be in a closed state, and the pollution discharge communication device is communicated with the first pollution discharge pipeline and the lower end of the filter column plugged by the plugging device;
the rotating shaft continues to rotate, the plugging device and the pollution discharge communication device are synchronously driven to continue to rotate, the plugging device leaves the corresponding filter column, the upper end of the filter column is in an open state, the pollution discharge communication device leaves the filter column, and the lower end of the filter column is in an open state.
The invention changes the original filter screen into a filter column with a wedge-shaped flow passage, has uniform filter gaps, adopts a multi-filter column circumferential distribution mode, adopts upper and lower pore plates to distribute water, and has reasonable water distribution of inlet and outlet water.
According to the invention, the filter screen is replaced by the filter column, the flow channel of the filter column is wedge-shaped, the inner side of the wedge-shaped flow channel, namely the water inlet end of the filtering process, has small gaps, the outer side of the wedge-shaped flow channel, namely the water outlet end of the filtering process, has large gaps, and the technical problems that the thick filter screen and the thin filter screen are easy to block, are easy to deform after being pressed and are blocked are well solved.
The size of the gap of the trapezoidal steel wire of the filter column can be adjusted according to the water quality condition, the gap of the wedge-shaped flow channel of the filter column can be determined according to the water quality outlet requirement, the stable and efficient filtration of purified water is realized, the purification of purified raw water is achieved, meanwhile, impurities are effectively intercepted, and the energy utilization rate is improved.
The traditional large-diameter filter cylinder is improved into a multi-column type filter cylinder distribution, the filter cylinders are distributed in a circumference mode, the center of the filter cylinders is the central axis of the inner cylinder body and the center of the filter cylinders are the central axis of the outer cylinder body, and the defect that one filter cylinder is easy to deform is well overcome.
The filter column and the pore plate are vertically arranged, and the gap of the filter column is small from the water inlet direction and has a large water outlet end, so that impurities are prevented from being blocked.
The invention adopts the self action of water pressure to drain, replaces the traditional brush structure, a steady flow inner cylinder is arranged between a water inlet and a water outlet, a pore plate is arranged above and below a filtering area, a plurality of water outlet holes are arranged on a sieve plate, a rotating shaft is arranged on the filtering area, a baffle plate for plugging a filter column and a drain pipeline for draining and communicating are arranged on the rotating shaft, the baffle plate seals one end of the filter column in the rotating process, the other end of the filter column is connected with the drain pipeline, and impurities intercepted by the filter column are discharged through the drain pipeline by means of the water pressure of a; in addition, in the backwashing process, the outer side of the wedge-shaped flow passage is a water inlet end, the inner side of the wedge-shaped flow passage is a water outlet end, namely, an inlet is large, an outlet is small, when liquid flows from the outer side of the wedge-shaped flow passage to the inner side of the wedge-shaped flow passage, the cross section of the flow passage is suddenly reduced, the fluid pressure is suddenly increased, the larger flushing force is generated, and the backwashing efficiency of the filter column is improved.
In order to solve the technical problem of low back cleaning efficiency of the filter column, the invention is further improved, the number of the branch pipes of the pollution discharge communication device is 2, and the branch pipes comprise a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are positioned at two sides of the main pipe;
the number of the plugging devices is 2, and the plugging devices comprise first plugging devices and second plugging devices which are fixedly connected with the rotating shaft respectively; the first plugging device corresponds to the first branch pipe, and the second plugging device corresponds to the second branch pipe.
According to the invention, the plugging device and the communicated sewage discharging device are designed into two parts, and the two filter columns can be cleaned by rotating the rotating shaft once, so that the cleaning efficiency is improved.
In order to solve the technical problem of inconvenient fixation of the filter column, the invention is further improved, the inner cylinder comprises an upper orifice plate, a lower orifice plate and an inner cylinder wall arranged between the upper orifice plate and the lower orifice plate, upper filter column mounting holes are uniformly distributed and arranged on the upper orifice plate in the circumferential direction, upper filter column mounting holes and lower filter column mounting holes are uniformly distributed and arranged on the lower orifice plate in the circumferential direction, and the lower filter column mounting holes correspond to the upper filter column mounting holes one by one;
the two ends of the filtering column are fixed through the corresponding upper and lower filtering column mounting holes on the upper and lower pore plates.
The invention arranges a shell, an inner cylinder and a filter column between a water inlet and a water outlet, the upper part and the lower part of the filter column are provided with an upper pore plate and a lower pore plate, the upper part and the lower part of the filter column are fixed by the pore plates, the filter column is arranged between the pore plates, and the section of the filter column is provided with a rotating shaft. The upper and lower pore plates are provided with a plurality of water inlet and outlet holes, the filter column is fixed by the upper and lower pore plates, and the upper and lower pore plates are processed to ensure the concentricity and are fixed with the filter cylinder. All filter columns are positioned by the water outlet holes, so that the filter columns are fixed, water inlet of the filter columns in a filtering state is realized, and pollution discharge in a backwashing state is guaranteed.
In order to further solve the technical problem of inconvenient fixation of the filter column, the invention is further improved, one end of the filter column is welded with a flange, and the filter column is placed on the upper hole plate through the flange;
and the lower pore plate around the lower filtering column mounting hole is provided with a filtering column positioning ring which is positioned in the inner cylinder.
According to the invention, the limiting flange is welded at one end of the filter column, and the filter column is hung on the upper pore plate through the limiting flange, so that the filter column is positioned and fixed.
In order to solve the technical problem that the filter column is frequently replaced and has short service life due to rusting, the invention is further improved, and the filter column is made of stainless steel.
The framework of the filter column and the trapezoidal steel wires are made of stainless steel, and the service life of the filter column is prolonged by utilizing the characteristic that the stainless steel is not easy to rust. The filter column is wound by wedge-shaped stainless steel wires, the stainless steel wires are trapezoidal, the water inlet end and the water outlet end are separated by an inner cylinder, and all inlet water is discharged to the outside of the inner cylinder through the filter column and is discharged from the water outlet.
In order to solve the technical problem of the driving of the rotating shaft, the invention is further improved, the rotating shaft is connected with a speed reducer through a coupler, and the speed reducer is positioned at the top of the shell.
In order to solve the technical problem that the filter column is not cleaned timely, the invention is further improved, and the shell is provided with a differential pressure controller which is used for acquiring the differential pressure between the inlet and the outlet of the shell.
The invention adopts the differential pressure controller, can observe the purification effect in the self-cleaning filter in real time, so as to start the back-cleaning device to work in time according to the actual situation and clean the filter column in time. The water inlet and outlet of the invention are provided with differential pressure controllers, the differential pressure value is transmitted to the controller, and the controller controls the start and stop of the back washing device to realize the decontamination of the filter column.
The first blocking device and the second blocking device have the same structure and comprise connecting rods and cover plates, the connecting rods are fixedly connected to rotating shafts, the rotating shafts are perpendicular to the connecting rods, the end parts of the connecting rods are fixedly connected with the cover plates, and the cover plates are used for blocking openings at the upper ends of the filter columns.
The upper end of the branch pipe is of a telescopic structure and comprises an outer pipe and an inner pipe, the inner pipe is arranged in the outer pipe and can move up and down relative to the outer pipe, a compression spring is arranged between the inner pipe and the outer pipe and positioned outside the inner pipe and the outer pipe, one end of the compression spring is arranged on a flange edge at the lower end of the outer pipe, and the other end of the compression spring is arranged on a flange edge at the upper end of the inner pipe.
The upper end of the branch pipe is designed to be a telescopic structure, and the inner pipe enables the lower filtering column mounting hole on the lower pore plate to be tightly attached to the upper end of the branch pipe under the action of the pressure spring, so that impurities are prevented from leaking.
In order to solve the technical problem that the ratio of water quantity to the filter columns is unreasonable, the invention is further improved, the filter columns in the same circumferential direction form a layer of filter column group, and the filter column group is divided into two layers or more than two layers.
The invention can determine the number of the filter tubes according to the amount of the inlet water and can also determine the amount of the inlet water according to the amount of the filter columns. When the water quantity is larger and the number of the filter pipes is large, the filter pipes are arranged in two layers in a circumferential mode. The filter columns of the invention are distributed in a circle, the small size is distributed by one circle, and the large size is distributed by two circles.
In order to solve the technical problem of potential safety hazard caused by increased air pressure in the shell, the invention is further improved, and the top of the shell is provided with an air outlet.
In order to solve the technical problem that impurities between the shell and the inner cylinder are inconvenient to discharge, the invention is further improved, and the shell is provided with a second sewage discharge pipeline for discharging the impurities between the inner cylinder and the outer cylinder.
In order to solve the technical problem that the particle impurity removing device is inconvenient to maintain, the invention is further improved, the top of the shell is provided with a manhole, a flange pipe is arranged on the manhole, and a blind flange is arranged on the flange pipe.
In the filtering and backwashing processes, the manhole is sealed by the blind flange; when the invention is in a shutdown state, the manhole is opened for maintenance.
Drawings
FIG. 1 is a schematic view showing the construction of a particulate impurity removing apparatus according to the present invention;
FIG. 2 is a schematic view of the construction of a filter column according to the invention;
FIG. 3 is a top view of a filter column of the present invention;
FIG. 4 is a cross-sectional view of a filter column of the present invention;
FIG. 5 is a schematic view of the configuration of the occluding device of the present invention;
FIG. 6 is a schematic view of the configuration of the waste communication device of the present invention;
fig. 7 is an enlarged view of a in fig. 6.
Detailed Description
As shown in fig. 1-7, a particle impurity removing device comprises a housing 1, an inlet 11 and an outlet 12 are arranged on the housing 1, an inner cylinder 2 is arranged in the housing 1, the outlet 12 on the inner cylinder 2 is communicated, a plurality of filter columns 3 are uniformly distributed on the inner cylinder 2 in the circumferential direction, and the filter columns 3 are axially arranged.
The filter column 3 comprises a framework 31 and a trapezoid steel wire rope 32 wound on the framework 31, wherein the upper bottom of the trapezoid steel wire rope is positioned outside the filter column, and the lower bottom of the trapezoid steel wire rope is fixedly connected to the framework; the gaps among the trapezoidal steel wire ropes form wedge-shaped fluid channels, and the wedge-shaped fluid channels are gradually enlarged from inside to outside.
Be equipped with anti-belt cleaning device in the casing, including pivot 19, the pivot both ends are supported on casing 1, and pivot 19 runs through inner tube 2, sets up plugging device 5, blowdown intercommunication device 6 in the pivot, and plugging device 5 sets up in inner tube 2 top, and blowdown intercommunication device 6 sets up in inner tube 2 below.
The sewage communicating device 6 comprises a main pipe 61 and branch pipes 62 and 63 arranged on the main pipe 61, the lower end of the main pipe is rotatably arranged on the shell, the lower end of the main pipe is communicated with a first sewage discharge pipeline 71 arranged on the shell, and the first sewage discharge pipeline is used for discharging impurities in the filter column; the upper end of the main pipe 61 is fixedly connected with the rotating shaft 19. The first sewage conduit 71 is provided with a first manual gate valve 91 and an electric gate valve 92 in this order.
The blocking devices 5 correspond to the branch pipes of the sewage discharge communication device 6 one by one.
The rotating shaft rotates to synchronously drive the plugging device and the pollution discharge communication device to rotate, the plugging device plugs the opening at the upper end of the corresponding filter column to enable the opening to be in a closed state, and the pollution discharge communication device is communicated with the first pollution discharge pipeline and the lower end of the filter column plugged by the plugging device;
the rotating shaft continues to rotate, the plugging device and the pollution discharge communication device are synchronously driven to continue to rotate, the plugging device leaves the corresponding filter column, the upper end of the filter column is in an open state, the pollution discharge communication device leaves the filter column, and the lower end of the filter column is in an open state.
The invention changes the original filter screen into a filter column with a wedge-shaped flow passage, has uniform filter gaps, adopts a multi-filter column circumferential distribution mode, adopts upper and lower pore plates to distribute water, and has reasonable water distribution of inlet and outlet water.
According to the invention, the filter screen is replaced by the filter column, the flow channel of the filter column is wedge-shaped, the inner side of the wedge-shaped flow channel, namely the water inlet end of the filtering process, has small gaps, the outer side of the wedge-shaped flow channel, namely the water outlet end of the filtering process, has large gaps, and the technical problems that the thick filter screen and the thin filter screen are easy to block, are easy to deform after being pressed and are blocked are well solved.
The size of the gap of the trapezoidal steel wire of the filter column can be adjusted according to the water quality condition, the gap of the wedge-shaped flow channel of the filter column can be determined according to the water quality outlet requirement, the stable and efficient filtration of purified water is realized, the purification of purified raw water is achieved, meanwhile, impurities are effectively intercepted, and the energy utilization rate is improved.
The traditional large-diameter filter cylinder is improved into a multi-column type filter cylinder distribution, the filter cylinders are distributed in a circumference mode, the center of the filter cylinders is the central axis of the inner cylinder body and the center of the filter cylinders are the central axis of the outer cylinder body, and the defect that one filter cylinder is easy to deform is well overcome.
The invention adopts the self action of water pressure to drain, replaces the traditional brush structure, a steady flow inner cylinder is arranged between a water inlet and a water outlet, orifice plates are arranged above and below a filtering area, a plurality of water outlet holes are arranged on a sieve plate, a rotating shaft is arranged on the filtering area, a baffle plate for plugging a filter column and a drain pipeline for draining and communicating are arranged on the rotating shaft, one end of the filter column is sealed by the plugging plate in the rotating process, the other end of the filter column is connected with the drain pipeline, and impurities intercepted by the filter column are discharged through the drain pipeline by the water pressure of the filter.
The number of the branch pipes of the blowdown communicating device is 2, and the branch pipes comprise a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are positioned on two sides of the main pipe;
the number of the plugging devices is 2, and the plugging devices comprise first plugging devices and second plugging devices which are fixedly connected with the rotating shaft respectively; the first plugging device corresponds to the first branch pipe, and the second plugging device corresponds to the second branch pipe.
According to the invention, the plugging device and the communicated sewage discharging device are designed into two parts, and the two filter columns can be cleaned by rotating the rotating shaft once, so that the cleaning efficiency is improved, and the technical problem of low reverse cleaning efficiency of the filter columns is solved.
The inner cylinder 2 comprises an upper orifice plate 21, a lower orifice plate 23 and an inner cylinder wall 22 arranged between the upper orifice plate and the lower orifice plate, wherein upper filter column mounting holes 211 are uniformly distributed on the upper orifice plate 21 in the circumferential direction, upper filter column mounting holes 231 and lower filter column mounting holes 231 are uniformly distributed on the lower orifice plate 23 in the circumferential direction, and the lower filter column mounting holes correspond to the upper filter column mounting holes one to one;
the two ends of the filtering column are fixed through the corresponding upper and lower filtering column mounting holes on the upper and lower pore plates.
The invention arranges a shell, an inner cylinder and a filter column between a water inlet and a water outlet, the upper part and the lower part of the filter column are provided with an upper pore plate and a lower pore plate, the upper part and the lower part of the filter column are fixed by the pore plates, the filter column is arranged between the pore plates, and the section of the filter column is provided with a rotating shaft. The upper and lower pore plates are provided with a plurality of water inlet and outlet holes, the filter column is fixed by the upper and lower pore plates, and the upper and lower pore plates are processed to ensure the concentricity and are fixed with the filter cylinder. All filter columns are positioned by the water outlet holes, so that the filter columns are fixed, water inlet of the filter columns in a filtering state is realized, and pollution discharge in a backwashing state is guaranteed.
One end of the filter column 3 is welded with a flange 33, and the filter column is placed on the upper hole plate through the flange; and the lower pore plate around the lower filtering column mounting hole is provided with a filtering column positioning ring which is positioned in the inner cylinder.
According to the invention, the limiting flange is welded at one end of the filter column, and the filter column is hung on the upper pore plate through the limiting flange, so that the positioning and fixing of the filter column are realized, and the technical problem of inconvenience in fixing the filter column is further solved.
The filter column and the pore plate are vertically arranged, and the gap of the filter column is small from the water inlet direction and has a large water outlet end, so that impurities are prevented from being blocked.
The filter column is made of stainless steel. The framework of the filter column and the trapezoidal steel wires are made of stainless steel, and the service life of the filter column is prolonged by utilizing the characteristic that the stainless steel is not easy to rust. The filter column is wound by wedge-shaped stainless steel wires, the stainless steel wires are trapezoidal, the water inlet ends and the water outlet ends are separated by the inner barrel, all inlet water is discharged to the outer part of the inner barrel through the filter column and is discharged from the water outlet, and the technical problem that the filter column is frequently replaced and has short service life due to rusting is solved.
The rotating shaft 19 is connected with the speed reducer 8 through the coupler 81, and the speed reducer 8 is located at the top of the shell, so that the technical problem of rotating shaft driving is solved.
The shell is provided with a differential pressure controller 14, and the differential pressure controller 14 is used for acquiring the differential pressure between the inlet and the outlet of the shell. One end of a differential pressure controller 14 is connected with the outlet of the shell through a control line, and the other end of the differential pressure controller 14 is connected with the area between the shell and the inner cylinder through a Y-shaped filter 15.
The invention adopts the differential pressure controller, can observe the purification effect in the self-cleaning filter in real time, so as to start the back-cleaning device to work in time according to the actual situation and clean the filter column in time. The water inlet and outlet of the invention are provided with differential pressure controllers, the differential pressure value is transmitted to the controller, the controller controls the start and stop of the backwashing device, the cleaning of the filter column is realized, and the technical problem that the filter column is not cleaned in time is solved.
The first blocking device and the second blocking device have the same structure and comprise a connecting rod 51 and a cover plate 52, wherein the connecting rod is fixedly connected to a rotating shaft, the rotating shaft is perpendicular to the connecting rod, the end part of the connecting rod is fixedly connected with the cover plate, and the cover plate is used for blocking an opening at the upper end of the filter column. The branch pipe is simple in structure and easy to machine and manufacture, and the technical problem that the plugging device is complex in structure is solved.
The upper end of the branch pipe is of a telescopic structure and comprises an outer pipe 631 and an inner pipe 632, the inner pipe is arranged in the outer pipe and can move up and down relative to the outer pipe, a compression spring 633 is arranged between the inner pipe and the outer pipe and is positioned outside the inner pipe and the outer pipe, one end of the compression spring is arranged on a flange edge 6311 at the lower end of the outer pipe, and the other end of the compression spring is arranged on a flange edge 6321 at the upper end of the inner pipe.
According to the invention, the upper end of the branch pipe is designed to be a telescopic structure, and the inner pipe enables the lower filtering column mounting hole on the lower pore plate to be tightly attached to the upper end of the branch pipe under the action of the pressure spring, so that impurities are prevented from leaking out, and the technical problem that the lower end of the filtering column is not tightly closed when the filtering column is cleaned is solved.
The filter columns in the same circumferential direction form a layer of filter column group, and the filter column group is two layers or more than two layers. The invention can determine the number of the filter tubes according to the amount of the inlet water and can also determine the amount of the inlet water according to the amount of the filter columns. When the water quantity is larger and the number of the filter pipes is large, the filter pipes are arranged in two layers in a circumferential mode. The filter columns are distributed in a circular shape, the filter columns with small specifications are distributed from one circumference, the filter columns with large specifications are distributed from two or more circumferences, and the technical problem that the ratio of water quantity to the filter columns is unreasonable is solved.
The top of the shell is provided with an exhaust port 13, so that the increased pressure in the shell is released in time, and the technical problem of potential safety hazards caused by increased air pressure in the shell is solved.
The second sewage discharge pipeline 72 is arranged on the shell, and the second manual gate valve 93 is arranged on the second sewage discharge pipeline 72 and is used for discharging impurities between the inner cylinder and the outer cylinder, so that the technical problem that the impurities between the shell and the inner cylinder are inconvenient to discharge is solved.
A manhole is arranged at the top of the shell, a flange pipe 16 is arranged on the manhole, and a flange blind plate 17 is arranged on the flange pipe 16. In the filtering and backwashing processes, the manhole is sealed by the blind flange; when the invention is in a shutdown state, the manhole is opened for maintenance, and the technical problem that the particle impurity removing device is inconvenient to maintain is solved
The working process of the particle impurity removing device comprises the following steps:
(1) raw water to be purified firstly enters the shell from the inlet, flows upwards and downwards along the inner cylinder in the shell and then enters the filter column, and the electric gate valve or the manual valve at the water inlet is used for adjusting the flow of the water and overhauling the water;
(2) raw water uniformly distributed enters the inner barrel from the filter column, impurities are intercepted outside the filter column, and the intercepted impurities are discharged out of the barrel through the second blow-off pipe;
(3) the purified water in the inner cylinder is discharged out of the shell through an outlet, and a manual water outlet valve or an electric valve is arranged at the outlet;
(4) the impurities adsorbed on the filter column can be gradually increased along with the increase of the filtering time, so that the pressure at the water inlet end and the water outlet end of the filter column is increased, the pressure is detected by a differential pressure controller at the water outlet end of the shell, when the differential pressure reaches a set value, the reverse cleaning device is started to carry out backwashing on the filter column, the general backwashing time is 1-2 minutes, and the filtering process is carried out again after backwashing.
The invention is arranged at a sewage draining port and an exhaust port at the top of a particle impurity filtering device, a water inlet and a water outlet are arranged between the sewage draining port and the exhaust port, and a filtering area, a separation area and a sewage draining area are sequentially arranged between the water inlet and the water outlet.
The invention improves the purification effect, and specifically comprises the following steps:
1) a wedge-shaped flow passage formed in the gap of the filter column is determined according to the water quality condition, so that the effluent can meet the design requirement;
2) in order to ensure that the filtered water is uniformly distributed, an inner cylinder, an upper pore plate and a lower pore plate are arranged in the filter, and raw water is uniformly distributed by each filter column after water is distributed, so that the uniformity of filtered water distribution is ensured;
3) in order to ensure the effect of pollution discharge, all the filter columns are distributed in a circumferential manner, and the rotating device only needs to rotate once to ensure that the filter columns can discharge the pollution once, so that the pollution discharge time is reduced, and the quantity of backwashing water is saved;
4) in order to improve the back washing effect, a rotating shaft is arranged in the filtering area to generate a flexible flow and improve the back washing effect;
5) the filter body is provided with a pressure gauge and a differential pressure gauge port, so that the purification effect in the self-cleaning filter can be observed in real time, and measures can be taken in time according to actual conditions.
Claims (10)
1. A particle impurity removing device comprises a shell, an inlet and an outlet are arranged on the shell, an inner cylinder is arranged in the shell, the outlet on the inner cylinder is communicated, a plurality of filter columns are uniformly distributed on the inner cylinder in the circumferential direction, the filter columns are axially arranged, the particle impurity removing device is characterized in that,
the filter column comprises a framework and a trapezoidal steel wire rope wound on the framework, the upper bottom of the trapezoidal steel wire rope is positioned outside the filter column, and the lower bottom of the trapezoidal steel wire rope is fixedly connected to the framework; gaps among the trapezoidal steel wire ropes form wedge-shaped fluid channels, and the wedge-shaped fluid channels are gradually enlarged from inside to outside;
a reverse cleaning device is arranged in the shell and comprises a rotating shaft, two ends of the rotating shaft are supported on the shell, the rotating shaft penetrates through the inner barrel, a plugging device and a sewage discharge communicating device are arranged on the rotating shaft, the plugging device is arranged above the inner barrel, and the sewage discharge communicating device is arranged below the inner barrel;
the sewage discharge communication device comprises a main pipe and a branch pipe arranged on the main pipe, the lower end of the main pipe is rotatably arranged on the shell, the lower end of the main pipe is communicated with a first sewage discharge pipeline arranged on the shell, and the first sewage discharge pipeline is used for discharging impurities in the filter column; the upper end of the main pipe is fixedly connected with the rotating shaft;
the blocking device corresponds to the sewage discharge communication device;
the rotating shaft rotates to synchronously drive the plugging device and the pollution discharge communication device to rotate, the plugging device plugs the opening at the upper end of the corresponding filter column to enable the opening to be in a closed state, and the pollution discharge communication device is communicated with the first pollution discharge pipeline and the lower end of the filter column plugged by the plugging device;
the rotating shaft continues to rotate, the plugging device and the pollution discharge communication device are synchronously driven to continue to rotate, the plugging device leaves the corresponding filter column, the upper end of the filter column is in an open state, the pollution discharge communication device leaves the filter column, and the lower end of the filter column is in an open state.
2. The apparatus for removing particulate impurities as claimed in claim 1, wherein the number of the branch pipes of the blowdown communication means is 2, and the apparatus comprises a first branch pipe and a second branch pipe, the first branch pipe and the second branch pipe being located at both sides of the main pipe;
the number of the plugging devices is 2, and the plugging devices comprise first plugging devices and second plugging devices which are fixedly connected with the rotating shaft respectively; the first plugging device corresponds to the first branch pipe, and the second plugging device corresponds to the second branch pipe.
3. The particulate impurity removing device according to claim 1, wherein the inner cylinder includes an upper orifice plate, a lower orifice plate, and an inner cylinder wall provided between the upper and lower orifice plates, upper filter column mounting holes are uniformly circumferentially provided on the upper orifice plate, upper and lower filter column mounting holes are uniformly circumferentially provided on the lower orifice plate, and the lower filter column mounting holes correspond to the upper filter column mounting holes one to one;
the two ends of the filtering column are fixed through the corresponding upper and lower filtering column mounting holes on the upper and lower pore plates.
4. The apparatus for removing particulate impurities as claimed in claim 3, wherein a flange is welded to one end of the filter column, and the filter column is placed on the upper orifice plate through the flange;
and the lower pore plate around the lower filtering column mounting hole is provided with a filtering column positioning ring which is positioned in the inner cylinder.
5. A particulate impurity removing apparatus according to claim 1, wherein said filter column is made of stainless steel.
6. The apparatus as claimed in claim 1, wherein the shaft is connected to a reducer through a coupling, the reducer being located at a top of the housing.
7. The apparatus as set forth in claim 1, wherein a differential pressure controller is provided on the casing for obtaining a pressure difference between an inlet and an outlet of the casing.
8. The apparatus as claimed in claim 1, wherein the first and second plugging devices have the same structure and comprise a connecting rod and a cover plate, the connecting rod is fixed on a rotating shaft, the rotating shaft is perpendicular to the connecting rod, the end of the connecting rod is fixed on the cover plate, and the cover plate is used for plugging the upper opening of the filter column.
9. The apparatus as claimed in claim 1, wherein the upper end of the branch pipe is of a telescopic structure including an outer pipe and an inner pipe, the inner pipe is disposed in the outer pipe and is movable up and down with respect to the outer pipe, a compression spring is disposed between the inner pipe and the outer pipe, the compression spring is disposed outside the inner and outer pipes, one end of the compression spring is disposed on a flange at a lower end of the outer pipe, and the other end of the compression spring is disposed on a flange at an upper end of the inner pipe.
10. The apparatus for removing particulate impurities according to claim 1, wherein the filter columns in the same circumferential direction form a filter column group having two or more layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841485.2A CN111888825A (en) | 2020-08-20 | 2020-08-20 | Particle impurity removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841485.2A CN111888825A (en) | 2020-08-20 | 2020-08-20 | Particle impurity removing device |
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| Publication Number | Publication Date |
|---|---|
| CN111888825A true CN111888825A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010841485.2A Pending CN111888825A (en) | 2020-08-20 | 2020-08-20 | Particle impurity removing device |
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| US20090045130A1 (en) * | 2007-08-17 | 2009-02-19 | Huan-Jun Chien | Construction of the wedge filtration media laminated by wedge filter plate |
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| CN202822940U (en) * | 2012-09-19 | 2013-03-27 | 扬州兄弟环境保护设备工程有限公司 | Self-cleaning filter |
| US20130206674A1 (en) * | 2010-08-20 | 2013-08-15 | Trojan Technologies | Fluid filter device |
| CN206694706U (en) * | 2017-03-13 | 2017-12-01 | 广东威立瑞科技有限公司 | A kind of bellows positioning joint |
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2020
- 2020-08-20 CN CN202010841485.2A patent/CN111888825A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090045130A1 (en) * | 2007-08-17 | 2009-02-19 | Huan-Jun Chien | Construction of the wedge filtration media laminated by wedge filter plate |
| US20130206674A1 (en) * | 2010-08-20 | 2013-08-15 | Trojan Technologies | Fluid filter device |
| CN102861471A (en) * | 2012-09-19 | 2013-01-09 | 扬州兄弟环境保护设备工程有限公司 | Self-cleaning filter |
| CN202822940U (en) * | 2012-09-19 | 2013-03-27 | 扬州兄弟环境保护设备工程有限公司 | Self-cleaning filter |
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Application publication date: 20201106 |
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