CN107670364B - Continuous thickening filter and thickening system and thickening method thereof - Google Patents
Continuous thickening filter and thickening system and thickening method thereof Download PDFInfo
- Publication number
- CN107670364B CN107670364B CN201711011791.8A CN201711011791A CN107670364B CN 107670364 B CN107670364 B CN 107670364B CN 201711011791 A CN201711011791 A CN 201711011791A CN 107670364 B CN107670364 B CN 107670364B
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- Prior art keywords
- filter
- group
- thickening
- pipeline
- filtering
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- 230000008719 thickening Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000011010 flushing procedure Methods 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B01D29/50—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
- B01D29/62—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
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
Abstract
The invention provides a continuous thickening filter, a thickening system and a thickening method thereof, wherein the thickening filter is used for continuously filtering and thickening to achieve the viscosity of a required material. The invention adopts the laminated filter assembly, enlarges the filter area, simultaneously can control the required viscosity during the filtration, has multiple functions and high practicability.
Description
Technical Field
The invention belongs to the technical field of microporous filtering and thickening, and particularly relates to a rapid continuous thickening filter and a thickening system thereof.
Background
The application occasion of microporous filtration technique is more and more extensive, and current microporous filter's top is provided with a colored board, vertically be provided with the filter core on the colored board, the material flows through the filtration liquid passageway in the colored board after filtering through the filter core. Because the filter elements on the pattern plate are uniformly distributed in a vertical mode, if the surface of the filter element is covered by filter residues, the filter residues cannot be washed off well only by water washing, so that the subsequent press drying and the filtration are not thorough, and the filtration effect is poor. Meanwhile, for some feed liquid with viscosity, the viscosity of the feed liquid can not be controlled by filtering, and the efficiency is low.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a rapid thickening filter and a thickening system thereof.
The aim of the invention is achieved by the following technical scheme:
the continuous thickening filter comprises a filter body, a filtering area formed by a filtering component is arranged in the filter body, a rotating main shaft is vertically arranged in the center of the filter body, a plurality of groups of filter layers are sleeved on the rotating main shaft in a superposition mode, stirring paddles are arranged between the filter layers in a spaced mode, a driving mechanism connected with the rotating main shaft is arranged at the top of the filter body, and filtering liquid of a filtering pipe is discharged from one side of the filter body.
Preferably, each filter layer is provided with at least two layers of filter tube groups which are overlapped up and down, the adjacent filter tube groups are arranged at intervals, each filter tube group is formed by tiling a plurality of filter tubes, and the opening ends of the filter channels of the filter tubes are communicated with a discharge pipeline outside the filter body.
Preferably, the upper end of the filter is provided with a feed inlet, the bottom of the filter is provided with a thick slurry outlet, and one side of the thick slurry outlet is provided with a feed return opening.
Preferably, the filter further comprises a pressure gauge arranged at the top of the machine body and used for detecting the pressure in the filter.
Preferably, a lower cover is arranged at the lower end of the filter body, the lower cover is conical, and the thick slurry outlet is arranged at the bottom of the lower cover.
Preferably, the driving mechanism is a speed reducer, and the speed reducer is arranged right above the filter through a speed reducer rack.
Preferably, one side of the filter discharging pipeline is also provided with a back blowing pipeline.
Preferably, the blowback pipeline is communicated with the discharging pipeline through a valve.
Preferably, the rapid thickening filter system of any above comprises a rapid thickening filter and a material kettle connected with the filter, wherein a feed pump is arranged between the material kettle and the filter, a feed back port of the filter is communicated with the material kettle through a pipeline, and a metering meter is further arranged at a discharge port of the filter.
Preferably, the continuous thickening filtration method described above comprises the steps of:
s1, materials enter a feed inlet of a filter body through a material kettle;
s2, the driving mechanism drives the rotary main shaft to slowly rotate, materials are filtered by the filter pipe, and filtered materials after filtration are discharged through the discharge pipeline; detecting the quantity of the discharge port in real time through a metering meter of the discharge port, so as to calculate the viscosity;
s3, if the pressure in the filter is detected and reaches the set pressure, a feed back port is opened, and materials in the filter are returned to the material kettle through the feed back port for circulation;
s4, opening a first group of back-flushing valves in the back-flushing pipeline, closing the discharge valves of the first group of filter tube groups at the discharge port, and ventilating from the back-flushing pipeline to perform back-flushing of the first group of filter tube groups; at this time, the filtration of other filter tube groups is not affected;
s5, after the S4 is completed, closing the first group of back-flushing valves, and opening the discharge valves of the first group of filter tube groups; opening the second group of back-flushing valves, closing the discharge valves of the second group of filter tube groups, and performing corresponding back-flushing; filtering and back blowing layer by analogy; until the desired concentration is reached;
s6, after the thickening work of the materials is finished, carrying out a back blowing step in the filter body, and simultaneously, monitoring and controlling the pressure in the filter through a pressure gauge of the filter;
and S7, finally discharging the thick slurry from a thick slurry outlet at the bottom of the filter.
The beneficial effects of the invention are as follows: the stacked filter assembly is adopted, the filter area is enlarged, meanwhile, the required viscosity can be controlled during filtration, and the filter has multiple functions and high practicability.
Drawings
Fig. 1: the structure of the filter is schematically shown.
Fig. 3: the cross-sectional structure of the filter layer of the invention is schematically shown.
Fig. 2: the structure of the filtering system with the filtering machine is schematically shown.
Detailed Description
The following embodiment specifically illustrates the technical scheme of the invention, and the invention discloses a rapid continuous thickening filter, which is shown in fig. 1-3, and comprises a filter body 1, wherein a feed inlet 3 and a pressure gauge 9 for detecting the pressure in the filter body are arranged on the upper cover of the filter body 1. The lower end of the filter body 1 is provided with a conical lower cover, and the bottom of the lower cover is provided with a thick slurry outlet 7. One side of the thick paste outlet 7 is provided with a feed back opening.
The filter is characterized in that a filter area formed by filter components is arranged in the filter body 1, a rotary main shaft is vertically arranged in the center of the filter body, and a plurality of groups of filter layers are overlapped and sleeved on the rotary main shaft. Each filter layer is provided with at least two layers of filter tube groups which are overlapped up and down, each layer of filter tube group is formed by tiling a plurality of filter tubes 4, and the filter tube groups tiled at 3 layers are arranged at intervals to form a filter area. The laminated filter tube can greatly increase the filter area.
For better stirring of materials, stirring paddles 5 are arranged between every two adjacent groups of filter pipes, a driving mechanism connected with the rotary main shaft is arranged at the top of the filter body 1, and filtering liquid of the filter pipes is discharged from one side of the filter body. The driving mechanism is a speed reducer 11, and the speed reducer is arranged right above the filter through a speed reducer rack.
Referring to fig. 2, the filter tube is a microporous filter tube, a filter channel is arranged in the microporous filter tube, a mounting hole 42 for connecting with a rotary main shaft is formed in the middle of the filter tube group, the filter channel 41 is a blind hole formed in the filter tube by extending from one side of the filter tube to the inside of the filter tube, and the open end of the filter channel is communicated with the discharge pipeline 6 outside the filter body through a connecting channel 43. A blowback pipeline 61 is also arranged on one side of the filter discharging pipeline 6. The back-blowing pipeline is communicated with the discharging pipeline through a corresponding back-blowing valve and a discharging valve. The filter tube groups are connected in parallel, so that continuous thickening filtration can be better performed, and interference is avoided.
The invention also discloses a thickening and filtering system using the rapid thickening and filtering machine, which comprises the rapid thickening and filtering machine and a material kettle 12 connected with the rapid thickening and filtering machine, wherein a feed pump 13 is arranged between the material kettle 12 and the rapid thickening and filtering machine, a feed back port of the rapid thickening and filtering machine is communicated with the material kettle through a pipeline, and a discharge port of the rapid thickening and filtering machine is also provided with a metering meter.
Meanwhile, the invention also discloses a continuous thickening and filtering method utilizing the contact thickening and filtering machine, which comprises the following steps:
s1, materials enter a feed inlet of a filter body through a material kettle;
s2, the driving mechanism drives the rotary main shaft to slowly rotate, materials are filtered by the filter pipe, and filtered materials after filtration are discharged through the discharge pipeline; detecting the quantity of the discharge port in real time through a metering meter of the discharge port, so as to calculate the viscosity;
s3, by detecting the pressure in the filter, if the pressure reaches the set pressure, opening a feed back opening 71, and returning the materials in the filter into the material kettle through the feed back opening for circulation;
s4, opening a first group of back-flushing valves 62 in the back-flushing pipeline, closing a discharge valve 63 of a first group of filter tube groups at a discharge port, and ventilating from the back-flushing pipeline to perform back-flushing of the first group of filter tube groups; at this time, the filtration of other filter tube groups is not affected;
s5, after the S4 is completed, the first group of back-flushing valves 62 are closed, and the discharge valves 63 of the first group of filter tube groups are opened; opening the second group of back-flushing valves, closing the discharge valves of the second group of filter tube groups, and performing corresponding back-flushing; filtering and back blowing layer by analogy; until the desired concentration is reached;
s6, after the thickening work of the materials is finished, carrying out a back blowing step in the filter body, and simultaneously, monitoring and controlling the pressure in the filter through a pressure gauge of the filter;
and S7, finally discharging the thick slurry from a thick slurry outlet at the bottom of the filter.
There are, of course, many specific embodiments of the invention, not set forth herein. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (3)
1. A filtering method of a continuous thickening filter is characterized in that: the continuous thickening filter comprises a filter body, wherein a filtering area formed by a filtering component is arranged in the filter body, a rotary main shaft is vertically arranged in the center of the filter body, a plurality of groups of filter layers are overlapped and sleeved on the rotary main shaft, stirring paddles are arranged between each group of filter layers at intervals, and a driving mechanism connected with the rotary main shaft is arranged at the top of the filter body; each filter layer is provided with at least two layers of filter tube groups which are overlapped up and down, the adjacent filter tube groups are arranged at intervals, each layer of filter tube group is formed by tiling a plurality of filter tubes, the opening ends of the filter channels of the filter tubes in each group of filter tubes are communicated with a discharge pipeline outside the filter body, the upper end of the filter is provided with a feed inlet, the bottom of the filter is provided with a thick slurry outlet, and one side of the thick slurry outlet is provided with a feed back opening; the filter also comprises a pressure gauge which is arranged at the top of the machine body and used for detecting the pressure in the filter; one side of the filter discharging pipeline is also provided with a back-blowing pipeline; the back-blowing pipeline is communicated with the discharging pipeline through a corresponding valve;
the filtering method comprises the following steps:
s1, materials enter a feed inlet of a filter body through a material kettle;
s2, the driving mechanism drives the rotary main shaft to slowly rotate, materials are filtered by the filter pipe, and filtered materials after filtration are discharged through the discharge pipeline; detecting the quantity of the discharge port in real time through a metering meter of the discharge port, so as to calculate the viscosity;
s3, if the pressure in the filter is detected and reaches the set pressure, a feed back port is opened, and materials in the filter are returned to the material kettle through the feed back port for circulation;
s4, opening a first group of back-flushing valves in the back-flushing pipeline, closing the discharge valves of the first group of filter tube groups at the discharge port, and ventilating from the back-flushing pipeline to perform back-flushing of the first group of filter tube groups; at this time, the filtration of other filter tube groups is not affected;
s5, after the S4 is completed, closing the first group of back-flushing valves, and opening the discharge valves of the first group of filter tube groups; opening the second group of back-flushing valves, closing the discharge valves of the second group of filter tube groups, and performing corresponding back-flushing; filtering and back blowing layer by analogy; until the desired concentration is reached;
s6, after the thickening work of the materials is finished, carrying out a back blowing step in the filter body, and simultaneously, monitoring and controlling the pressure in the filter through a pressure gauge of the filter;
and S7, finally discharging the thick slurry from a thick slurry outlet at the bottom of the filter.
2. A method of filtering a continuous thickening filter according to claim 1, wherein: the filter is characterized in that a lower cover is arranged at the lower end of the filter body, the lower cover is conical, and the thick slurry outlet is arranged at the bottom of the lower cover.
3. A method of filtering a continuous thickening filter according to claim 2, wherein: the driving mechanism is a speed reducer, and the speed reducer is arranged right above the filter through a speed reducer rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011791.8A CN107670364B (en) | 2017-10-26 | 2017-10-26 | Continuous thickening filter and thickening system and thickening method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011791.8A CN107670364B (en) | 2017-10-26 | 2017-10-26 | Continuous thickening filter and thickening system and thickening method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107670364A CN107670364A (en) | 2018-02-09 |
| CN107670364B true CN107670364B (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011791.8A Active CN107670364B (en) | 2017-10-26 | 2017-10-26 | Continuous thickening filter and thickening system and thickening method thereof |
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| Country | Link |
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| CN (1) | CN107670364B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479103A (en) * | 2018-05-28 | 2018-09-04 | 浙江东瓯过滤机制造有限公司 | A kind of band agitation and filtration enrichment facility and its agitation and filtration method for concentration |
| CN110270292A (en) * | 2019-07-15 | 2019-09-24 | 威孔过滤科技（苏州）有限公司 | Ternary precursor filtering and concentrating system and its method for concentration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527123A (en) * | 2010-12-07 | 2012-07-04 | 苏州恒尔机械制造有限公司 | Tube plate combined type filter |
| CN202555043U (en) * | 2012-03-29 | 2012-11-28 | 邢传宏 | Filter tube and filter assembly composed of the filter tube |
| CN104645690A (en) * | 2015-02-11 | 2015-05-27 | 合肥通用机械研究院 | Layered multi-filter disc filter |
| CN206366234U (en) * | 2016-11-16 | 2017-08-01 | 西安超滤环保科技股份有限公司 | A kind of slurry is automatically counter to clean filtering recovering system |
| CN207591389U (en) * | 2017-10-26 | 2018-07-10 | 威孔过滤科技（苏州）有限公司 | Continuously thickening filter and its thickening system |
-
2017
- 2017-10-26 CN CN201711011791.8A patent/CN107670364B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527123A (en) * | 2010-12-07 | 2012-07-04 | 苏州恒尔机械制造有限公司 | Tube plate combined type filter |
| CN202555043U (en) * | 2012-03-29 | 2012-11-28 | 邢传宏 | Filter tube and filter assembly composed of the filter tube |
| CN104645690A (en) * | 2015-02-11 | 2015-05-27 | 合肥通用机械研究院 | Layered multi-filter disc filter |
| CN206366234U (en) * | 2016-11-16 | 2017-08-01 | 西安超滤环保科技股份有限公司 | A kind of slurry is automatically counter to clean filtering recovering system |
| CN207591389U (en) * | 2017-10-26 | 2018-07-10 | 威孔过滤科技（苏州）有限公司 | Continuously thickening filter and its thickening system |
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| Publication number | Publication date |
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| CN107670364A (en) | 2018-02-09 |
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