CN107262297B - A kind of air blast high efficiency filter centrifuge - Google Patents
A kind of air blast high efficiency filter centrifuge Download PDFInfo
- Publication number
- CN107262297B CN107262297B CN201710439404.4A CN201710439404A CN107262297B CN 107262297 B CN107262297 B CN 107262297B CN 201710439404 A CN201710439404 A CN 201710439404A CN 107262297 B CN107262297 B CN 107262297B
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- cutter bar
- scraping cutter
- rotary drum
- scraper
- cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/12—Other accessories for centrifuges for drying or washing the separated solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
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- Centrifugal Separators (AREA)
Abstract
A kind of air blast high efficiency filter centrifuge, it is related to a kind of centrifuge, the filtering centrifuge includes base (12), casing (10), cover (9), drum assembly (3), power mechanism (11) and blower system, and the cover (9) is equipped with feed inlet (6), exhaust outlet (7), form (8) and scraper base (4)；Scraper base is equipped with scraping cutter bar (16), mechanical transmission mechanism or hydraulic gear is equipped in scraper base, scraping cutter bar is hollow pipe, is connected by hose with heater and air compressor；The lower part of scraping cutter bar (16) is equipped with umbrella-shaped baffle (17).The present invention is struck off filter cake using scraper from filter medium, recycles blade to stir blocky filter cake loose, while by air compressor air blast into rotary drum, surface liquid and capillary solution being released, moisture disengagement area is increased, accelerates drying process.Centrifugal filtration operation is repeated again after air blast, realizes that high efficiency filter reduces the moisture content of product.
Description
Technical field
The present invention relates to a kind of centrifuges, more particularly to a kind of air blast high efficiency filter centrifuge.
Background technique
Filtering centrifuge be realize be separated by solid-liquid separation capital equipment, be widely used in bioengineering, petrochemical industry, pharmacy,
The multiple fields such as light industry, agricultural.Its working principle is that centrifugal force field is generated using drum rotating, under the influence of centrifugal force, Gu-
By the aperture discharge on filter medium and rotatory drum wall, solid phase particles are trapped on filter medium liquid phase in liquid mixture,
To achieve the purpose that separation of solid and liquid.The centrifugal force that mixed material is subject in rotary drum is 1,100 times of gravity, therefore filtered
Journey is strengthened, and the rate of filtration is fast, and filter cake moisture content is lower.General suspension of the solid particle greater than 10 microns can all use filtering
Centrifuge filtering, separative efficiency is much higher than the operation such as gravitational settling.But since filtering centrifuge is wanted in design and operation
Consider occupation area of equipment, drum assembly intensity and many requirements such as safety in operation and stability, therefore makes roller diameter
Size and rotary drum revolving speed are restricted, so that its separating capacity and separating effect be enabled to be difficult to further increase, can not be applied to pair
The demanding operating condition of material mass dryness fraction.
Summary of the invention
The purpose of the present invention is to provide a kind of air blast high efficiency filter centrifuge, the present invention is using scraper by filter cake from filtering
It is struck off on medium, recycles blade to stir blocky filter cake loose, while by air compressor air blast into rotary drum, by surface
Liquid and capillary solution release, and increase moisture disengagement area, accelerate drying process.Centrifugal filtration is repeated again after air blast
Operation realizes that high efficiency filter reduces the moisture content of product.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of air blast high efficiency filter centrifuge, the filtering centrifuge include base, casing, cover, drum assembly, power
Mechanism and blower system, the cover are equipped with feed inlet, air draft, form and scraper base；Scraper base is equipped with scraping cutter bar, scraper
Mechanical transmission mechanism or hydraulic gear are equipped in seat, scraping cutter bar is hollow pipe, is compressed by hose and heater and air
Machine is connected；The lower part of scraping cutter bar is equipped with umbrella-shaped baffle, and inside is equipped with unloader knife below baffle, and baffle upper end is with cunning
Set, is adjusted its position on scraping cutter bar, and fixed with fastening nut；The bottom of scraping cutter bar is equipped with normal thereto i.e. horizontal
The hollow transverse tube placed, the multiple groups that transverse tube are equipped with stir lodicule, are also provided with multiple exhaust vents on transverse tube, are going out for compressed air
Mouthful；Cover uses silastic sealing strip and casing sealing, and cover is equipped with exhaust outlet, as gas vent, inside nozzle
If deduster；
Above-mentioned centrifuge apparatus uses intermittently operated, and mode is as follows: closing cover, by feed inlet 6 into wet stock, feeds
After, start motor, drive drum assembly 3 to rotate by power mechanism 11, by setting speed progress centrifugal filtration, during this
Liquid phase is continuously discharged outside machine；After being centrifuged a period of time, control rotary drum slows down, and after rotary drum is static, adjusts the driving on scraper base 4
Mechanism makes scraping cutter bar 16 separately down and to the mobile suitable distance of rotatory drum wall, prepares discharging；It is again started up rotary drum, makes it at a slow speed
Rotation, scraper 14 start removal filter cake, and position of the adjustment scraper in rotary drum is paid attention to during this, and agitating paddle 13 makes block material
It fluffs scattered, while opening air compressor, the heated device of compressed air, hollow scraping cutter bar enter in rotary drum, by transverse tube 18
Exhaust vent 19 is blown out, and carries out forced air drying to material；During being somebody's turn to do, the umbrella-shaped baffle 17 being arranged on scraping cutter bar can prevent powder from existing
It is flown upward in rotary drum, the gas in machine rises at cover, is discharged after deduster purifies by exhaust outlet 7；Terminate in aeration step
Afterwards, control rotary drum stops operating, and driving scraping cutter bar far from rotatory drum wall and moves up, and is returned to initial position；Start rotary drum, presses
Setting time and revolving speed carry out centrifugal filtration operation again, further remove the moisture in material；Above-mentioned centrifugal filtration and discharging
Aeration step can be 2 ~ 3 times with repetitive operation, to reach the requirement of product moisture content.
A kind of air blast high efficiency filter centrifuge, the power mechanism connect drum assembly；On the scraper base simultaneously
Equipped with driving mechanism；The transverse tube is equipped with exhaust vent.
The advantages and effects of the present invention are:
1. the invention proposes a kind of device that filtering centrifuge separating effect can be improved, the device by centrifugal filtration and
Forced air drying combines, in centrifugal filtration process, liquid phase in mixed material under the centrifugal force effect that drum rotating generates,
Outside by the filter medium and hole discharge machine on rotatory drum wall, while solid phase particles are attached to filter media surface and form filter cake,
Most of free liquid phase in wet stock can be removed by this operation, but still has partially liq to be attached to solid particle
Surface or preservation are in the intergranular tiny hole of cake layer, and with the presence of the state of surface liquid and capillary solution, these liquid can not
It is further removed by way of centrifugal filtration.
2. forced air drying of the present invention be on the basis of above-mentioned centrifugal filtration, first with scraper by filter cake from filter medium
It strikes off, recycles blade to stir blocky filter cake loose, while by air compressor air blast into rotary drum, by surface liquid and hair
Thin liquid releases, and increases moisture disengagement area, accelerates drying process.Centrifugal filtration operation is repeated again after air blast,
At this point, filtration resistance reduces due to filter cake removal, the free liquid phase released can further be separated to discharge, reduced final
The moisture content of product.
Detailed description of the invention
Fig. 1 is filtering centrifuge structural schematic diagram of the present invention；
Fig. 2 is discharging blower device component main view of the present invention；
Fig. 3 is discharging blower device component left view of the present invention；
Fig. 4 is discharging blower device component top view of the present invention.
In figure: air compressor 1, gas heater 2, drum assembly 3, scraper base 4, discharging blower device 5, feed inlet 6,
Exhaust outlet 7, form 8, cover 9, casing 10, power mechanism 11, base 12, stirring blade 13, unloader knife 14, fastening nut
15, scraping cutter bar 16, baffle 17, transverse tube 18, exhaust vent 19.
Specific embodiment
The present invention is described in detail for illustrated embodiment with reference to the accompanying drawing.
The present invention proposes a kind of Novel filtration centrifuge with blower device according to above-mentioned thought.The centrifuge is by base
12, casing 10, cover 9, drum assembly 3, power mechanism 11 and blower system composition, the cover 9 are equipped with feed inlet 6, row
Air port 7, form 8 and scraper base 4.
It is equipped with scraping cutter bar 16 on scraper base, is equipped with mechanical transmission mechanism or hydraulic gear in scraper base, can make to scrape
Knife bar generation is axially and radially displaced, thus adjust when discharging scraper between filter medium at a distance from.The scraping cutter bar is hollow
Pipe, is connected with heater and air compressor by hose, is introduced air into rotary drum.
Umbrella-shaped baffle 17 is installed in the lower part of scraping cutter bar 16, inside is equipped with unloader knife 14 below baffle, baffle
Effect is to prevent powder and granule shape material from dispersing everywhere in discharging and aeration step, and baffle upper end has sliding sleeve, it is adjusted and is scraping
Position on knife bar, and fixed with fastening nut.
The bottom of scraping cutter bar is equipped with i.e. horizontal positioned hollow transverse tube 18 normal thereto, and transverse tube is equipped with multiple groups stirring slurry
Piece 13, effect are to stir the blocky filter cake unloaded down loosely, are penetrated conducive to compressed air material bed.It is also provided on transverse tube
Multiple exhaust vents 19 are the outlets of compressed air, can carry out forced air drying to material.
When centrifuge works, cover is closed, and using silastic sealing strip and casing sealing, prevents powder from flying out, in cover
It is equipped with exhaust outlet 7, as gas vent, inside nozzle sets deduster, and powder is prevented to be discharged with gas.
Device of the present invention uses intermittently operated, and embodiments thereof are as follows.Cover is closed, by feed inlet 6 into wet object
Material, after charging, starts motor, drives drum assembly 3 to rotate by power mechanism 11, carries out centrifugal filtration by setting speed,
Liquid phase is continuously discharged outside machine during this.After being centrifuged a period of time, control rotary drum slows down, and after rotary drum is static, adjusts scraper base 4
On driving mechanism, make scraping cutter bar 16 separately down and to the mobile suitable distance of rotatory drum wall, prepare discharging.Rotary drum is again started up,
Make its slow rotation, scraper 14 starts removal filter cake, and position of the adjustment scraper in rotary drum is paid attention to during this, and agitating paddle 13 makes
Block material fluffs scattered, while opening air compressor, the heated device of compressed air, hollow scraping cutter bar enter in rotary drum, by cross
Exhaust vent 19 on pipe 18 is blown out, and carries out forced air drying to material.During being somebody's turn to do, the umbrella-shaped baffle 17 being arranged on scraping cutter bar can be prevented
Only powder is flown upward in rotary drum, and the gas in machine rises at cover, is discharged after deduster purifies by exhaust outlet 7.In air blast
After process, control rotary drum stops operating, and driving scraping cutter bar far from rotatory drum wall and moves up, and is returned to initial position.It opens
Turn drum, carries out centrifugal filtration operation by setting time and revolving speed again, further removes the moisture in material.It is above-mentioned to be centrifuged
Filter and discharging aeration step can be 2 ~ 3 times with repetitive operation, to reach the requirement of product moisture content.
It is reacted in process of production using any excess drug A, causes to contain remaining liquid in its final powder product
A, according to target level of product quality, it is desirable that A content is in 50ppm or less.It is handled using traditional centrifugal filtering method, it is to be processed
A content is 500ppm in material, is 1500 in separation factor, and centrifugation time is material after processing under the operating condition of 30min
A content is 108ppm.It is handled using method of the centrifugal filtration of the present invention in conjunction with forced air drying, separation factor is still
It is 1500, enters the wind not heated, processing result are as follows: it stops after centrifugation 10min, discharging and air blast, then be centrifuged 10 minutes and sample, A
Residual quantity be 82ppm；Post-blast is carried out on this basis, and is centrifuged 10 minutes sampling and measurings, and A residual quantity is 33ppm.Knot
Fruit shows: under identical separation factor and centrifugation time, using separation method of the present invention and device, can make product
Moisture content be substantially reduced.
Claims (1)
1. a kind of air blast high efficiency filter centrifuge, the filtering centrifuge includes base, casing, cover, drum assembly, engine
Structure and blower system, which is characterized in that the cover (9) is equipped with feed inlet (6), exhaust outlet (7), form (8) and scraper base
(4)；Scraper base is equipped with scraping cutter bar (16), and mechanical transmission mechanism or hydraulic gear are equipped in scraper base, and scraping cutter bar is sky
Heart pipe is connected by hose with heater and air compressor；The lower part of scraping cutter bar (16) is equipped with umbrella-shaped baffle (17), baffle
It is equipped with unloader knife (14) on the inside of lower section, baffle upper end has sliding sleeve, is adjusted its position on scraping cutter bar, and with fastening
Nut is fixed；The bottom of scraping cutter bar is equipped with i.e. horizontal positioned hollow transverse tube (18) normal thereto, and transverse tube is stirred equipped with multiple groups
It mixes lodicule (13), multiple exhaust vents (19) is also provided on transverse tube, be the outlet of compressed air；Cover using silastic sealing strip with
Casing sealing, cover are equipped with exhaust outlet (7), and as gas vent, inside nozzle sets deduster；The power mechanism (11)
It connects drum assembly (3)；The scraper base (4) is equipped with driving mechanism；The transverse tube (18) is equipped with exhaust vent (19)；
Above-mentioned centrifuge apparatus uses intermittently operated, and mode is as follows: closing cover, by feed inlet (6) into wet stock, charging is tied
Shu Hou starts motor, drives drum assembly (3) rotation by power mechanism (11), carries out centrifugal filtration, this process by setting speed
Middle liquid phase is continuously discharged outside machine；After being centrifuged a period of time, control rotary drum slows down, and after rotary drum is static, adjusts on scraper base (4)
Driving mechanism makes scraping cutter bar (16) separately down and to the mobile suitable distance of rotatory drum wall, prepares discharging；It is again started up rotary drum, is made
Its slow rotation, scraper (14) start removal filter cake, and position of the adjustment scraper in rotary drum is paid attention to during this, stirs blade
(13) so that block material is fluffed scattered, while opening air compressor, and the heated device of compressed air, hollow scraping cutter bar enter rotary drum
It is interior, it is blown out by the exhaust vent (19) on transverse tube (18), forced air drying is carried out to material；Should during, the umbrella that is arranged on scraping cutter bar
Shape baffle (17) can prevent powder from flying upward in rotary drum, and the gas in machine rises at cover, by air draft after deduster purifies
Mouth (7) discharge；After aeration step, control rotary drum stops operating, and driving scraping cutter bar far from rotatory drum wall and moves up, and returns
Initial position is arrived again；Start rotary drum, carry out centrifugal filtration operation again by setting time and revolving speed, further removes in material
Moisture；Above-mentioned centrifugal filtration and the repetitive operation of forced air drying process 2 ~ 3 times, to reach the requirement of product moisture content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439404.4A CN107262297B (en) | 2017-06-12 | 2017-06-12 | A kind of air blast high efficiency filter centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439404.4A CN107262297B (en) | 2017-06-12 | 2017-06-12 | A kind of air blast high efficiency filter centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107262297A CN107262297A (en) | 2017-10-20 |
| CN107262297B true CN107262297B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710439404.4A Active CN107262297B (en) | 2017-06-12 | 2017-06-12 | A kind of air blast high efficiency filter centrifuge |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108014930A (en) * | 2018-01-19 | 2018-05-11 | 蚌埠市朗辰化工设备有限公司 | A kind of scraper for centrifuge |
| KR102504659B1 (en) * | 2019-11-18 | 2023-02-27 | 주식회사 엘지화학 | Pressurizing centrifugal dehydrator |
| CN111298991B (en) * | 2019-11-25 | 2021-02-09 | 北京市永康药业有限公司 | Centrifuge for pharmacy |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3309015A (en) * | 1963-07-31 | 1967-03-14 | Jung Erland Viktor | Centrifuges |
| CN202061724U (en) * | 2010-12-29 | 2011-12-07 | 安徽普源分离机械制造有限公司 | Gas blowing structure for vertical centrifuge discharging device |
| CN202570422U (en) * | 2012-05-03 | 2012-12-05 | 江苏赛德力制药机械制造有限公司 | Lower discharge centrifugal machine with vertical scrapper capable of removing residual filter cakes |
| CN104607324A (en) * | 2015-02-06 | 2015-05-13 | 江苏牡丹离心机制造有限公司 | Directional discharging scraping knife device for gravity discharge centrifugal machine |
| CN205056253U (en) * | 2015-09-17 | 2016-03-02 | 成都汇骏盟邦科技有限公司 | Basket centrifuge |
| CN205164983U (en) * | 2015-09-29 | 2016-04-20 | 湘潭离心机有限公司 | Supplementary sediment blade device that unloads of air current of vertical scraper centrifugal separator |
| CN205217159U (en) * | 2015-12-16 | 2016-05-11 | 江苏华大离心机制造有限公司 | Reducing mechanism of remaining filter cake of scraper centrifugal separator |
-
2017
- 2017-06-12 CN CN201710439404.4A patent/CN107262297B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3309015A (en) * | 1963-07-31 | 1967-03-14 | Jung Erland Viktor | Centrifuges |
| CN202061724U (en) * | 2010-12-29 | 2011-12-07 | 安徽普源分离机械制造有限公司 | Gas blowing structure for vertical centrifuge discharging device |
| CN202570422U (en) * | 2012-05-03 | 2012-12-05 | 江苏赛德力制药机械制造有限公司 | Lower discharge centrifugal machine with vertical scrapper capable of removing residual filter cakes |
| CN104607324A (en) * | 2015-02-06 | 2015-05-13 | 江苏牡丹离心机制造有限公司 | Directional discharging scraping knife device for gravity discharge centrifugal machine |
| CN205056253U (en) * | 2015-09-17 | 2016-03-02 | 成都汇骏盟邦科技有限公司 | Basket centrifuge |
| CN205164983U (en) * | 2015-09-29 | 2016-04-20 | 湘潭离心机有限公司 | Supplementary sediment blade device that unloads of air current of vertical scraper centrifugal separator |
| CN205217159U (en) * | 2015-12-16 | 2016-05-11 | 江苏华大离心机制造有限公司 | Reducing mechanism of remaining filter cake of scraper centrifugal separator |
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| CN107262297A (en) | 2017-10-20 |
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Inventor after: Zhang Jianwei Inventor after: Cui Hui Inventor after: Feng Ying Inventor after: Gao Bo Inventor after: Ma Fanrong Inventor before: Zhang Jianwei Inventor before: Feng Ying Inventor before: Gao Bo Inventor before: Ma Fanrong |
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