CN1120031C - Apparatus for removing material from pressurised filter - Google Patents
Apparatus for removing material from pressurised filter Download PDFInfo
- Publication number
- CN1120031C CN1120031C CN99804675A CN99804675A CN1120031C CN 1120031 C CN1120031 C CN 1120031C CN 99804675 A CN99804675 A CN 99804675A CN 99804675 A CN99804675 A CN 99804675A CN 1120031 C CN1120031 C CN 1120031C
- Authority
- CN
- China
- Prior art keywords
- discharge tube
- filter
- pressure
- charge level
- supporting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 55
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 37
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 239000012065 filter cake Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 4
- 239000011343 solid material Substances 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010079 rubber tapping Methods 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
- B01D29/88—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/16—Valves
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Sampling And Sample Adjustment (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Paper (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an apparatus for removing filtered material from a pressurised filter space, in which filter space there are installed members for feeding the material to be processed to filtering carried out in a pressurised space, as well as members for removing the product, i.e. the filtered material created in the process, from the pressurised filter space. According to the invention, in the material discharge end of the discharge conduit (3, 21) of the filtering space, there is connected an adjusting member (4, 27), said adjusting member (4, 27) comprising at least two adjusting elements (5, 6; 29, 30) which are provided with ports (7, 33) and are movable in relation to each other, in order to maintain the measurable filtered material surface height (11, 28) in the discharge conduit (3, 21) essentially at a predetermined value in a substantially continuous fashion.
Description
Technical field
The present invention relates to a kind of solid material tapping equipment, especially the device that the sort of very tiny solid material is emitted from high-pressure bottle, this high-pressure bottle is fitted with feed arrangement, so that mass transport is handled in high-pressure bottle, also be fitted with drawing mechanism, be used for the product that said high-pressure bottle produces is emitted.
Background technology
Usually, after material is emitted from high-pressure bottle, can cause the pressure in the said container to reduce, and after material outlet opened, material could emit from container.When the pressure in expectation keeps said vesse remains unchanged, one or several valve will be installed link to each other, could not change its internal pressure during from this container discharge at material like this with material outlet.Employed valve can be electronic, also can be that surge or pneumatic, and material all can cause certain pressure to flap usually under every kind of situation.When this pressure surpassed certain given limit, valve had just been opened, and material promptly emits from container.When the material discharge capacity reached pressure that said material causes and is reduced to enough levels, valve had just been shut.For instance, eccentric flap can be as this usefulness, and at this moment material pressure will be applied to the another side of flap.But this valve is unsuitable for very tiny solid material, because in valve-off, the more residual solid particles of meeting can reduce the valve seal compactness like this, and finally make valve lose effectiveness between valve and valve box.
The sealing gland valve also can be used for the material discharging of high-pressure bottle, and sealing gland hemispherical valve has uniform sealing gland, but in others, total is similar to globe valve, and in this case, its shortcoming is that volume is big, the price height.Famous sealing gland flap is axisymmetric in shape, and in this case, its defective is that they are in the sealing at axle place.Such valve arrangement also is easy to cause obstruction.
From FI patent 68,977 as can be known a filter of being furnished with transmission device and adjuster be used in the superpressure container, its filtering product, just very tiny solid particle emits from the superpressure container by a gate.For instance, employed gate can be gate or conveying worm of a blade shaped, and in this case, solid particle flows is used for the operation to gate.These the very tiny solid particles that need discharge can not be blocked between gate and the tank wall to a certain extent now, because such gate can not move along the direction opposite with object circulation, and solid particle always flows to same direction.In any case the action of this gate is to rely on the mobile of solid particle to finish,, thereby kept the over pressure in the superpressure container because such solid particle flows has kept its compactness by means of this gate when the position of blade changes.
United States Patent (USP) 5,362,403 methods that describe a kind of filter in detail and filter cake is discharged from the filter element of filter.In described method, filter cake is sent in the discharge-channel by screw conveyor, and the locking device of a hydraulic control has been installed in the bottom of this discharge-channel.According to United States Patent (USP) 5,362,403, this locking device has formed a pressure barrier with discharge-channel between filter and normal barometric pressure.Two electrodes that are installed on the discharge-channel are being controlled the action of locking device, consequently, when the filter cake in the discharge-channel reach a certain height, filter cake has promptly formed an electric lock between two electrodes, control device is opened locking device, and filter cake promptly emits by discharge-channel.Yet the discharging of filter cake is discontinuous, and is accompanied by the discharging of filter cake, and the pressure in the filter also may reduce accordingly.
Summary of the invention
Purpose of the present invention is exactly will realize a kind ofly overcoming that some defective, structure in the above patent is simpler, price is lower, being used for from the modifying device of high-pressure bottle discharging filter back material, and this device will be operated automatically according to the flow of operating pressure and material.Technical scheme of the present invention is as follows: the device that material is discharged from the high-pressure filteration container after a kind of will the filter, in this filtering container, possess feed arrangement and drawing mechanism, this feed arrangement is transported to raw material in the high-pressure bottle and filters, this drawing mechanism is then filtering product, promptly filter the back material, from high-pressure bottle, emit, this device has following feature: the material discharging bottom at the discharge tube of filtering container is fitted with the adjusting parts, said adjusting parts comprise at least two regulating elements, these regulating elements that offer outlet are installed mutually with one heart around axle, and can pass through a driver part and the changing of the relative positions relatively, so that the charge level the surveyed height of filter back material remains on the predeterminated level in the discharge tube, described charge level height is measured by a measuring transducer that is installed in this discharge tube outside.
According to the present invention, material was sent to discharge tube after the conveyer in the high-pressure bottle will come from the filter of filter, and in this discharge tube, filter back material will be discharged into normal barometric pressure by the adjusting parts that are arranged in the other end.By means of above-mentioned adjusting parts, the charge level height of filter back material remains on the same level basically in the discharge tube.Charge level height in discharge tube has surpassed predeterminated level, and the floss hole of regulating on the parts will enlarge.The flow velocity of filter back material will be accelerated like this, and the charge level height in the discharge tube will drop to desired predeterminated level.Equally, if the charge level height is lower than predeterminated level, the floss hole of regulating on the parts will dwindle, so that the charge level height returns to desired predeterminated level.
In according to device of the present invention, the adjusting parts that are installed in the discharge tube comprise two and partly overlapping at least regulating element at least, offer the outlet of flowing out the adjusting portion part for filter back material on the regulating element.The gross area of being explained accounts for the 5-20% of the whole regulating element gross area, and 10-15% is more favourable.And the relative position of these regulating elements and arrangement should make that at least one element is movable.When the relative changing of the relative positions of these regulating elements, the outlet on the different elements may overlap, or partially overlaps at least, like this, can be discharged in the normal barometric pressure from discharge tube by above-mentioned outlet filter back material.Equally, when the relative changing of the relative positions of regulating element when outlet is separately staggered mutually, filter back material has not just flow out yet.
According to the present invention,, have at least an element to link to each other with a driver part in order to allow these separate regulating element changing of the relative positions relatively.Said driver part can be pneumatic, surge or electronic.According to the mode of operation difference of driver part, regulating parts can directly link to each other with driver part or be attached thereto by an independent drive disk assembly.For example, employed drive disk assembly can be a connecting rod or a piston, also can comprise several parts, such as comprising a servo-valve, a cylinder and a connecting rod.
In according to device of the present invention, the action of regulating parts is to be controlled by the control assembly that can measure filter back material charge level height in the discharge tube.And with being installed in the outer measuring transducer of discharge tube to measure the charge level aspect ratio better.For instance, just measure easily, or the Strength Changes amount in the discharge tube supporting structure that material causes after the utilization filter is measured also very convenient by means of ultrasonic wave.
When using ultrasonic wave, need a ultrasonic sensor to come at least to measure the charge level height of material after the filter in the discharge tube substantially continuously.In control module, will compare the measurement result of gained and desired predetermined level height according to this device of the present invention.If the result who records is different from said predetermined value, control assembly can control to adjust the action of the driver part of parts, so that the charge level height returns to the predeterminated level of expectation.
When the Strength Changes amount in the discharge tube supporting structure that uses filter back material to cause is measured the charge level height of filter back material, outside discharge tube, have an actuator that links to each other with measuring transducer at least, can measure the strain in the discharge tube supporting structure that causes by filter back material by this actuator.The bellows that above-mentioned actuator is made with elastomeric material in this way, just the Strength Changes amount in the discharge tube supporting structure that can cause by filter back material according to the elastic shrinkage quantitative determination of said bellows.Equally, the tonometry element also can be used as said actuator, and it can measure the tension force in the supporting structure that is caused by filter back material.In the control assembly of this device of the present invention, the variable quantity in the resulting supporting structure is measured the result, and the same during with the use ultrasonic measurement, the variable quantity of the supporting structure that will cause with desired predetermined level height compares.According to above-mentioned comparative result, control assembly is controlled regulating parts, so that the charge level height returns to desired level.
When using according to device of the present invention.Basically always remain on desired predeterminated level by the charge level height that makes filter back material, filter back material is equivalent to a pressure valve.And the internal pressure of filter back material and filter all can be exerted pressure to the regulating element of regulating in the parts, causes each regulating element tightly to be forced together.When the surface of the regulating element of pressing close to each other was quite level and smooth, this pressure closely forced together each regulating element basically, like this, saw through the pressure leakages of regulating parts and causing and will be reduced to possible floor level.
Description of drawings
The present invention will be described in more detail below with reference to accompanying drawings, and these accompanying drawings comprise:
Fig. 1 is the side view of embodiments of the invention,
Fig. 2 is the side view of an alternative embodiment of the invention,
Fig. 3 is the vertical view according to regulating element of the present invention,
Fig. 4 is the vertical view according to another regulating element of the present invention,
The specific embodiment
According to Fig. 1 and Fig. 3, be installed in the material 11 that the conveyer 2 of high pressure filter 1 inside will filter and be sent to discharge tube 3 in filter 1.On discharge tube 3, promptly the discharging of material bottom after filter is equipped with and regulates parts 4.Regulate parts 4 and comprise two concentric elements 5 and 6, offer outlet 7 on these two elements.The mutual in advance matched together of said regulating element 5 and 6, wherein regulating element 5 is hard-wired, the regulating element 6 after installing then can rotate around axle 8.Control assembly 12 links to each other with regulating element 6 with pilot valve 13 by connecting rod 9, cylinder 14, thereby regulating element 6 is rotated.
When adjusting parts 4 were regulated, near 10 of ultrasonic sensors that are installed in discharge tube 3 were ceaselessly being measured the charge level height of filter back material 11 in the discharge tube basically.The control assembly 12 of this device will compare charge level height measurement results that is recorded by ultrasonic sensor 10 and desired predeterminated level.If measurement result is different from predetermined altitude, control assembly 12 will be regulated and control pilot valve 13, and then the cylinder 14 that links to each other with connecting rod 9 of control, make to adjust element 6 at last with respect to adjusting element 5 changing of the relative positions, consequently the charge level height of material 11 returns to the predeterminated level of expectation after the filter in the discharge tube 3.
According to Fig. 2, on discharge tube 21, be equipped with the shaft shoulder 22, the shaft shoulder 22 is supporting discharge tube 21.Be fitted with actuator 24 between the said shaft shoulder 22 and supporting table 23, the bellows made from elastomeric material just, this bellows will be experienced the pressure variety that filters in the discharge tube 21 that material causes.Can record this pressure variety of experiencing by bellows 24 by force cell 25.Control assembly 26 will compare the respective change amount that the material of the measurement result of force cell 25 and desired predetermined level height causes.If measured result is different from desired value, the adjusting parts 27 that are installed in discharge tube 21 bottoms are promptly made corresponding adjusting, so that material can remain on the charge level height of expectation after the filter in the discharge tube 21.Equally, if charge level height 28 surpasses the predeterminated level of expectation, the regulating element 29 and 30 that offers outlet in the adjusting parts 27 its is the mutual changing of the relative positions, so that material flow emits from discharge tube 21 through regulating element 29 and 30 after the filter, to treat next step processing.Said regulating element 29 and 30 with one heart and be installed on the concentric shafts 31 and makes and has at least one can rotate around axle 31 in regulating element 29 and 30.Connecting rod 32 links to each other with axle 31, ordering about regulating element or element 29 and the 30 mutual changing of the relative positions, thereby makes filter back material emit from discharge tube 21 very easily.
Fig. 4 has showed a kind of good way of locating the outlet 33 of regulating element 29 and 30.
Claims (4)
1, the device that material is discharged from the high-pressure filteration container after a kind of will the filter, in this filtering container, possess feed arrangement and drawing mechanism, this feed arrangement is transported to raw material in the high-pressure bottle and filters, this drawing mechanism is then filtering product, promptly filter the back material, emit from high-pressure bottle, this device has following feature: be fitted with in the material discharging bottom of the discharge tube (3,21) of filtering container and regulate parts (4; 27), said adjusting parts (4; 27) comprise at least two regulating elements (5,6; 29,30), these offer outlet (7,33) regulating element is to install with one heart mutually around axle (8,31), and can pass through a driver part and the changing of the relative positions relatively, so that discharge tube (3,21) charge level the surveyed height (11,28) of filter back material remains on the predeterminated level in, and described charge level height is measured by a measuring transducer that is installed in this discharge tube outside.
2, the device of putting down in writing according to claim 1 is characterized in that: described measuring transducer is a ultrasonic sensor (10).
3, the device of putting down in writing according to claim 1, it is characterized in that: described discharge tube is equipped with a supporting structure (22), described measuring transducer comprises an actuator and a force cell (25) that is installed on this supporting structure (22), described actuator receives the interior variable quantity of supporting structure of discharge tube, and described variable quantity is measured by described force cell.
4, the device of putting down in writing according to claim 3 is characterized in that: described force cell (25) is a tension pick-up.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI980713A FI105166B (en) | 1998-03-30 | 1998-03-30 | Device for removing material from a pressurized space |
| FI980713 | 1998-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1295492A CN1295492A (en) | 2001-05-16 |
| CN1120031C true CN1120031C (en) | 2003-09-03 |
Family
ID=8551408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99804675A Expired - Fee Related CN1120031C (en) | 1998-03-30 | 1999-03-29 | Apparatus for removing material from pressurised filter |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1069935A1 (en) |
| JP (1) | JP2002509783A (en) |
| KR (1) | KR100576275B1 (en) |
| CN (1) | CN1120031C (en) |
| AU (1) | AU755208B2 (en) |
| BR (1) | BR9909157A (en) |
| CA (1) | CA2325548A1 (en) |
| FI (1) | FI105166B (en) |
| RU (1) | RU2217213C2 (en) |
| WO (1) | WO1999049951A1 (en) |
| ZA (1) | ZA200004848B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI109578B (en) * | 1998-10-27 | 2002-09-13 | Outokumpu Oy | Devices for removing material from pressurized room |
| TR201811735T4 (en) * | 2008-10-30 | 2018-09-21 | Gaudfrin | Device for removing cakes derived from disc filtration under pressure and the associated extraction process. |
| CN102671461A (en) * | 2011-02-24 | 2012-09-19 | 李卓 | Discharging device and method for pressure filter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE451948B (en) * | 1985-05-02 | 1987-11-09 | Hedemora Ab | FILTER FOR CONTINUOUS FILTERING UNDER PRESSURE OF A SUSPENSION |
| NL8903177A (en) * | 1989-12-29 | 1991-07-16 | Amafilter Bv | METHOD AND DEVICE FOR DRAINING THE FILTER COOKING FROM A FILTER DEVICE |
| DE4425451A1 (en) * | 1994-07-19 | 1996-01-25 | Kloeckner Humboldt Deutz Ag | Continuous removal of heavy filter-cake from a pressure filter |
-
1998
- 1998-03-30 FI FI980713A patent/FI105166B/en active
-
1999
- 1999-03-29 KR KR1020007010710A patent/KR100576275B1/en not_active IP Right Cessation
- 1999-03-29 AU AU30385/99A patent/AU755208B2/en not_active Ceased
- 1999-03-29 WO PCT/FI1999/000258 patent/WO1999049951A1/en active IP Right Grant
- 1999-03-29 RU RU2000127044/15A patent/RU2217213C2/en not_active IP Right Cessation
- 1999-03-29 JP JP2000540910A patent/JP2002509783A/en active Pending
- 1999-03-29 CN CN99804675A patent/CN1120031C/en not_active Expired - Fee Related
- 1999-03-29 BR BR9909157-7A patent/BR9909157A/en not_active IP Right Cessation
- 1999-03-29 EP EP99911843A patent/EP1069935A1/en not_active Withdrawn
- 1999-03-29 CA CA002325548A patent/CA2325548A1/en not_active Abandoned
-
2000
- 2000-09-13 ZA ZA200004848A patent/ZA200004848B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU755208B2 (en) | 2002-12-05 |
| KR100576275B1 (en) | 2006-05-04 |
| RU2217213C2 (en) | 2003-11-27 |
| AU3038599A (en) | 1999-10-18 |
| WO1999049951A1 (en) | 1999-10-07 |
| FI980713A (en) | 1999-10-01 |
| EP1069935A1 (en) | 2001-01-24 |
| FI980713A0 (en) | 1998-03-30 |
| CN1295492A (en) | 2001-05-16 |
| CA2325548A1 (en) | 1999-10-07 |
| JP2002509783A (en) | 2002-04-02 |
| FI105166B (en) | 2000-06-30 |
| KR20010042209A (en) | 2001-05-25 |
| BR9909157A (en) | 2000-12-05 |
| ZA200004848B (en) | 2002-01-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030903 |